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  1. Professionals

Dan Webb

Partner

Co-Executive Chairman

Chicago

+1 312-558-5856

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  • Overview
  • Experience
  • Credentials
  • Insights & News

Dan is co-executive chairman of Winston & Strawn and one of the most distinguished and sought-after trial lawyers in the United States. He has tried more than 100 jury cases involving a wide variety of claims and been named a fellow of the prestigious American College of Trial Lawyers. Notably, Dan achieved international acclaim for his successful prosecution of retired Admiral John Poindexter in the Iran-Contra Affair. He served as the U.S. Attorney for the Northern District of Illinois and has served in special prosecutor or similar roles on several occasions, including for the successful prosecution of actor Jussie Smollett in Chicago, for which he was named Am Law’s “Litigator of the Week” in December 2021.

Dan’s trial practice concentrates in the areas of major commercial, civil, regulatory, and white collar criminal cases. Among his jury cases are numerous successful complex commercial and white collar criminal trials, representing, on several occasions, large corporations in jury trials lasting two months or longer. 

Dan has spent his entire professional life as a courtroom trial attorney and litigator. As the U.S. Attorney in Chicago, he spearheaded the “Operation Greylord” investigations into judicial corruption in Cook County, Illinois.

He received national attention for his work as lead trial counsel for General Electric, successfully defending it against criminal price-fixing allegations related to industrial diamonds, as well as for his representations of Microsoft Corp. in its antitrust litigation; Philip Morris in its sprawling tobacco-related litigation; and Verizon in obtaining a US$58M verdict in a patent litigation matter.

Dan delivered a historic win for BPI in its defamation action against ABC News relating to a series of reports by ABC News in which its broadcasters referred to BPI’s product in a defamatory way, leading BPI to massive financial losses. With BPI seeking over US$1.9B in actual damages, the case has been widely reported as the “largest” and “one of the most significant” defamation cases in U.S. history. After weeks of putting on witnesses to prove ABC intentionally and knowingly made nearly 200 hundred false statements about BPI and its product and with our team about to put on damages witnesses, the case settled. The settlement vindicated BPI and put the company on the path to recovery. 

A team of Winston attorneys, led by Dan, conducted an internal investigation at the New York Stock Exchange related to the compensation of its former Chairman and CEO, Richard A. Grasso. Following Winston’s investigation, summarized in what is now known as the “Webb Report,” the New York Attorney General’s Office sued Grasso for the return of more than US$120M in compensation.

Other successes for clients in securities matters include obtaining favorable settlements for Ernst & Young in a securities class action brought by stockholders of HealthSouth Corp. and for Cisco Systems in a securities class action brought by the Plumbers & Pipefitters National Pension Fund and obtaining summary judgment for Scientific-Atlanta in a securities fraud class action.

On the antitrust front, Dan successfully represented Wyeth (Pfizer) against an antitrust class action relating to its patented potassium chloride product K-Dur®, C.R. Bard against claims of anti-competitive conduct relating to sales contracts with group purchasing organizations for catheters, and Monsanto against the antitrust claims brought by competitor DuPont relating to Monsanto’s patented Roundup Ready® weed killer.

As for other class action experience, one of Dan’s most significant cases was for Philip Morris. He served as lead trial counsel in Engle, et al. v. R.J. Reynolds Tobacco Co., et al., the first—and to date, only—class action brought by cigarette smokers for punitive damages to be tried to verdict. He also served as chief trial counsel for Lexecon in another high-profile class action civil trial that resulted from the failure of Lincoln Savings, the S&L institution owned and operated by Charles Keating, Jr.

Dan’s corporate clients have also included Abbott Laboratories; Accenture; Alcoa, Inc.; Altria Group, Inc.; Amaranth Advisors, L.L.C.; American Airlines; Bacardi USA, Inc.; BCBG Max Azria Global Holdings, LLC; Beef Products, Inc.; The Boeing Co.; BP America, Inc.; BPI Technology, Inc.; Brunswick Corp.; Caremark Int’l; Charles Schwab & Co. Inc.; Citadel LLC; ConocoPhillips; CoreLogic Inc.; Corning Inc.; Corn Refiners Association (and its members Archer Daniels Midland Co., Ingredion Inc., Tate & Lyle Ingredients Americas LLC, and Cargill, Inc.); Deloitte LLP; Eaton Corp.; Express Scripts, Inc.; Fox News Network; Georgia Pacific Corp.; Guggenheim Partners; H.J. Heinz Co., L.P.; JPMorgan Chase Bank, N.A.; Los Angeles Dodgers LLC; Magnetar Capital LLC; MedAssets, Inc.; Micron Technology, Inc.; Motorola Solutions, Inc.; NorthShore University Health System; Nucor Corp.; Outcome Health; PPG Industries, Inc.; Research in Motion Ltd.; Sealy Mattress Company of Michigan, Inc.; State Farm Mutual Auto. Ins. Co.; Tradition (North America) Inc.; TreeHouse Foods LLC; Versata Software; Vulcan Materials Co.; and Wells Fargo.

Key Matters

Special Prosecutor and Similar Appointments

Dan has been appointed by courts to act as a Special Prosecutor or in a similar capacity on five occasions. As these appointments reflect, in numerous sensitive and high-profile legal matters of great public interest, various courts have placed their confidence in Dan to serve as an independent prosecutor with integrity and the highest level of professionalism.

Prosecution of National Security Adviser John Poindexter–Iran-Contra Affair: In 1990, Dan was appointed as a Special Prosecutor in the Iran-Contra scandal to conduct the trial of Vice Admiral John M. Poindexter, who served as the National Security Advisor under the administration of President Ronald Reagan. Mr. Poindexter was charged with conspiracy, lying to Congress, and obstruction of Congress in connection with a Congressional investigation into whether high-ranking officials in the Reagan administration improperly facilitated the sale of arms to Iran in exchange for the release of American hostages held in Lebanon, which became known as “The Iran-Contra Affair.” During the trial in this matter, which took place in the U.S. District Court for the District of Columbia, Dan cross-examined President Reagan and Lieutenant Colonel Oliver North, who was a staff member of the National Security Council. Mr. Poindexter was convicted of all charges. (His convictions were later reversed on the grounds that witnesses may have been influenced by certain immunized testimony that Mr. Poindexter had given before Congress.)

Investigation and Prosecution of Election Fraud and Corruption: In 1989, Dan was appointed as a Special Prosecutor by Judge Richard Fitzgerald, the Chief Judge of the Criminal Courts in Cook County, Illinois, to investigate potential fraud and corruption in connection with elections in Cook County. The investigation included potential fraud and misconduct within the Cook County State’s Attorney’s Office, which was then run by Cook County State’s Attorney Richard M. Daley, who later was elected Mayor of Chicago, a post he held for 22 years. As Special Prosecutor, Dan prosecuted and secured the convictions of more than a dozen individuals on charges relating to improper election-related conduct, including several individuals who were current or former employees of the Cook County State’s Attorney’s Office.

Investigation of High-Ranking Government Official: In the late 1980s, the U.S. Court of Appeals for the District of Columbia Circuit, Division for the Purpose of Appointing Independent Counsels (MacKinnon, J.), pursuant to the Ethics in Government Act of 1978 and the Independent Counsel Statute, 28 U.S.C. Section 591, et seq., appointed Dan as Independent Counsel to investigate certain allegations regarding potential violations of federal law by a high-ranking government official. After a thorough investigation, Dan determined that there was insufficient evidence to bring a prosecution and filed a report with the Independent Counsel court; the matter was then sealed.

Investigation and Prosecution Regarding Death of David Koschman: In 2012, Dan was appointed by the Circuit Court of Cook County to serve as Special Prosecutor in connection with an investigation of the 2004 death of David Koschman. This pro bono matter was a headline-grabbing case in Chicago. Winston attorneys led by Dan were appointed to serve as Special Prosecutor and Deputy Special Prosecutors tasked with investigating the homicide of 21-year-old David Koschman, who died after an April 25, 2004, incident in Chicago’s nightlife district, during which Koschman was punched by a 29-year-old man later identified as Richard Vanecko—the nephew of then-mayor Richard M. Daley. The force of the punch knocked Koschman backwards; he hit his head on the pavement and sustained fatal skull fractures. In 2004, the Chicago Police Department (CPD) and Cook County State’s Attorney’s Office concluded that they could not determine if Koschman was punched or pushed or if it was Vanecko who struck Koschman, but that whoever struck Koschman acted in self-defense. In January 2011, the Chicago Sun-Times issued a FOIA request to the CPD seeking records relating to the Koschman case. The CPD reinvestigated the case in early 2011 and concluded that Vanecko punched Koschman while acting in self-defense and that charges were not warranted. Dan and a team of Winston & Strawn lawyers empaneled a special Cook County grand jury, interviewed 146 witnesses, reviewed 300,000 pages of documents, obtained an indictment and conviction of Vanecko, and wrote a 162-page report, containing 852 footnotes, detailing the deficiencies by police and prosecutors in their previous handling of the case.

Investigation and Review of FCRL Division of City of Chicago Law Department: Dan was retained by the Law Department to The City of Chicago, through its Corporation Counsel, Steve Patton, to conduct a comprehensive, independent investigation and review of the Federal Civil Rights Litigation (FCRL) Division of Chicago’s Law Department. Acting entirely independently, Winston reviewed the FCRL Division’s policies, procedures, and practices and recommended changes to ensure that such policies, procedures, and practices conform to the highest professional and ethical standards and best litigation practices. At the completion of the review in July 2016, the firm issued a written report, summarizing its investigation and recommendations and the status of the FCRL’s implementation of those recommendations. This matter was done on a partial pro bono basis.

Investigation, Review, and Prosecution Regarding Jussie Smollett: Most recently, Dan was appointed to serve as Special Prosecutor, with support from Deputy Special Prosecutors Sam Mendenhall and Sean Wieber and a team of associates and other professionals, in connection with the case of Jussie Smollett, the well-known actor who claimed that he was the victim of a hate crime attack in Chicago in January 2019. Dan’s investigation began August 23, 2019, at the request of Cook County Circuit Court Judge Michael Toomin. He was tasked with determining whether Smollett should be further prosecuted for false reports to Chicago police and whether any person or office involved in the case—including the Cook County State’s Attorney—engaged in wrongdoing.

In February 2020, Dan announced plans to further prosecute actor Jussie Smollett, with a special grand jury returning a six-count indictment of felony disorderly conduct for lying about a hate crime. Dan said, “the grand jury’s investigation revealed that Jussie Smollett planned and participated in a staged hate crime attack, and thereafter made numerous false statements to Chicago Police Department officers on multiple occasions, reporting a heinous hate crime that he, in fact, knew had not occurred.” While Dan said he disagreed with Cook County State’s Attorney Kim Foxx’s handling of the case, he did not find that the office engaged in wrongdoing. The investigation report prepared by the Special Prosecutor’s team was unsealed by Judge Toomin on December 20, 2021.

On November 29, 2021, the criminal trial of Jussie Smollett commenced, with Dan leading the prosecution. After seven days of trial, the jury returned a widely reported (by the U.S. and non-U.S. broadcast and other media) and celebrated win for Dan and the team, finding Smollett guilty of five of the six counts of disorderly conduct. As Dan stated after the trial, “That verdict was a resounding message by the jury that, in fact, Smollett did exactly what we said he did”— planned and orchestrated a fake hate crime and lied to the police about it. The remarkable win was recognized by Am Law, which bestowed upon Dan and the team its highly coveted “Litigator of the Week” honor. At sentencing, Judge James Linn sentenced Smollett to 150 days in county jail, fined him US$25,000, and ordered him to pay more than US$120,000 in restitution for the overtime spent by Chicago police officers investigating his false reports.

 View a list of Dan's significant trials here.

Recent Experience
Delaware Court Sees Though Plaintiffs’ Poorly Disguised Derivative Claims
Secured Settlement for Fox on Brink of Trial in High-Profile Defamation Litigation Brought by US Dominion Voting Systems
Secured Nearly US$105M Trial Victory Against Ford Motor Co.
Secured Landmark Victory for BPI Against ABC News in Massive Defamation Case
Supreme Court of Illinois Unanimously Affirmed Win for Atlantic Richfield

For all his achievements during his career as a trial lawyer, Dan has received many bar, industry, and community service honors and awards. Dan was  named a “Lifetime Achiever” by The American Lawyer and a “BTI Client Service All-Star” in 2017. Notably, Dan was a 2010 recipient of the “Inns of Court Professionalism Award.” The award, given annually on a federal circuit basis, recognizes a lawyer or judge “whose life and practice display sterling character and unquestioned integrity, coupled with ongoing dedication to the highest standards of the legal profession and the rule of law.” Also in 2010, Dan was among six lawyers honored by the Anti-Defamation League at the Fifth Annual First Amendment Freedom Award Dinner in Chicago for his contributions during his service in the U.S. Attorney’s Office in Chicago. In addition, the Diversity Scholarship Foundation honored Dan as the recipient of its 2010 “Unity Award,” which recognizes leaders in the community who have made significant contributions within the legal profession, including embracing diversity and the ideals that diversity represents.

Dan was named a “Litigation Trailblazer & Pioneer” by The National Law Journal. In its inaugural list, the publication recognized 50 individuals who have changed the practice of litigation via innovative legal strategies. Dan was selected by Global Investigations Review’s independent research as one of the “world’s leading investigations lawyers” and was named in International Who’s Who of Investigations Lawyers & Forensic Experts 2014. He was also recognized by U.S. News – Best Lawyers® 2014 for his commercial litigation, medical malpractice, mass tort litigation/class actions, and white collar criminal defense practices. Also in 2014, Winston & Strawn was named the “Chicago Litigation Department of the Year” for white collar defense by The National Law Journal. Dan was selected as one of Law360’s “Trial Aces” in 2015 and was mentioned in its article, “Law360’s Trial Aces Make Winning Look Easy.” In 2016, he was named the number three lawyer on the Illinois “Super Lawyer’s” list.

Dan was named as a “BTI Client All-Star” in 2014 for his litigation practice. The annual report from BTI Consulting Group identifies attorneys who deliver the best client service, solely through unprompted client feedback.

Dan also received The American Jewish Committee’s 2004 “Judge Learned Hand Human Relations Award,” which is granted to those who have demonstrated a lifelong commitment to “combating all forms of discrimination and bigotry, promoting human rights, and advocating public policy rooted in American democratic values.” In 1985, the Anti-Defamation League awarded Dan its “Distinguished Public Service Award.”

In 2006, the Illinois Association of Criminal Defense Lawyers (IACDL) honored Dan with a “Lifetime Achievement Award,” and in 2008, Chicago Lawyer named him as “Person of the Year.”

In 2009, Loyola University’s Chicago School of Law and the Law Alumni board of governors presented Dan with “The Medal of Excellence.” In 2010, Loyola named its nationally recognized Center for Advocacy as the Dan K. Webb Center for Advocacy to honor his distinguished career and to recognize his significant contributions to the school. The Dan K. Webb Center for Advocacy was ranked tenth in the country in trial advocacy by U.S. News in 2016. In 2007, Western Illinois University granted Dan an honorary Doctor of Humane Letters for his career achievements.

Other honors Dan has received include the “Distinguished Service Award” from the Chicago Association of Commerce and Industry in 1982 and the City of Hope Medical Center “Spirit of Life Award” in 1983. In addition, the Epilepsy Foundation of Greater Chicago recognized him with its “Distinguished Service Award” in 2006.

Other Ratings and Rankings

  • Am Law Litigation Daily – recognized as “Litigator of the Week” for his jury trial victory as Special Prosecutor in the People of the State of Illinois v. Jussie Smollett criminal prosecution (2021)
  • Chambers Global
    • Listed as “first tier” for Litigation in the United States (2021)
    • Listed as a “Star Individual” in Litigation: Trial Lawyers (2021–2024)
  • Chambers USA
    • Listed as a “Star Individual” in Litigation: General Commercial; Litigation: White Collar Crime & Government Investigations; and Litigation: Trial Lawyers (2014–2024)
    • Ranked in Antitrust Litigation in Illinois (2018–2019)
    • Received award for “Legal Excellence for Business Trial Lawyers” (2014)
    • Ranked in Antitrust and Product Liability & Mass Torts (2014)
    • Ranked in General Commercial Litigation, Antitrust, White Collar Crime and Government Investigations, and Products Liability (2009– 2010)
    • Ranked as a “top attorney” in Litigation and Product Liability (2007–2008)
    • Ranked nationally in Product Liability and listed with exceptional recommendations in Illinois in Commercial Litigation and White Collar Crime and Government Investigations (2006)
    • Listed with exceptional recommendations in Illinois in Commercial Litigation (2005)
    • Listed with exceptional recommendations in Commercial Litigation and ranked third in Antitrust Litigation in Illinois (2004)
    • Listed with exceptional recommendations in Illinois in Commercial Litigation (2003)
  • Expert Guides to the World’s Leading Litigation Lawyers—Identified as an expert; received more nominations than any other expert in the world
  • Forbes—Ranked among the “Top 200 Lawyers in America” (2024)
  • Legal 500 US
    • Listed in “Leading Trial Lawyers” in the United States and Dispute Resolution: International Litigation
    • Listed as a “Leading Lawyer” in Dispute Resolution: Corporate Investigations and White Collar Criminal Defense and Dispute Resolution: General Commercial Disputes
    • Listed as a “Key Lawyer” in Dispute Resolution: Product Liability, Mass Tort and Class Action - Defense: Toxic Tort
    • Named to “The Legal 500 Hall of Fame” in Corporate Investigations and White Collar Criminal Defense; Leading Trial Lawyers; Product Liability, Mass Tort and Class Action: Consumer Products; and Product Liability, Mass Tort, and Class Action - Defense: Pharmaceuticals and Medical Devices
  • Who’s Who Legal—Recommended as a “Global Leader” in Product Liability Defence (2024); as a “Global Leader” in Business Crime Defence - Corporates, Commercial Litigation, Investigations, and Product Liability Defence (2022); and as a “Thought Leader” for Investigations (2022)
  • Martindale-Hubbell—Award for the “Highest Possible Rating in Both Legal Ability and Ethical Standards” (2024)
  • Benchmark Litigation US
    • Named to the “Top 100 Trial Lawyers” in America (2016–2025)
    • Recognized as a “National Practice Area Star“ and an Illinois “Litigation Star” for his antitrust, general commercial litigation, product liability, and white collar crime practices (2013–2025)
  • The Best Lawyers in America® 
    • Ranked for 2025 and previous years for bet-the-company litigation, commercial litigation, business litigation, white collar criminal defense, antitrust litigation, mass tort litigation/class action – defendants, medical malpractice law – defendants, and patent law
    • Named “Lawyer of the Year” for Litigation - Antitrust, Chicago (2025)
    • Named “Lawyer of the Year” for Criminal Defense: White Collar, Chicago (2014)
    • Named “Lawyer of the Year” for  Bet-the-Company Litigation, Chicago (2012 )
    • Named “Lawyer of the Year” for Criminal Defense: White Collar, Chicago (2010)
  • Lawdragon
    • Named in “500 Leading Litigators in America” (2023–2025)
    • Inducted in the “Hall of Fame” which honors “outstanding lawyers who have made remarkable contributions to the legal profession” (2017) 
    • Named in “500 Leading Lawyers in America,” an annual guide to the nation’s top lawyers (2008–2016)
    • Named in “The Legends” (2015)
  • Crain’s Chicago Business
    • Recognized on “Who’s Who List” which encompasses the city’s most influential individuals in key Chicago industries (2025) 
    • “Notable Litigators and Trial Lawyers” (2023)
    • “Leading Lawyers” (2000–present)
  • Intellectual Asset Management Patent 1000—Recognized in the Illinois category as “one of the best lawyers in the country” who “proved his mettle in a number of substantial patent shootouts”
  • IAM Global Leaders—Recognized (2021)
  • Euromoney
    • The Euromoney Guide to the World’s Leading White Collar Crime Lawyers—Listed as a “leading white collar crime lawyer” (2021)
    • Best of the Best USA Expert Guide—Listed as one of the United States’ “Top 30 Litigation Lawyers” (2019)
    • The Euromoney Guide to the World’s Leading Competition & Antitrust Lawyers—Listed as one of the “World’s Leading Competition and Antitrust Lawyers”
  • Super Lawyers Corporate Counsel Edition—Listed as a “Super Lawyer”
  • Illinois Super Lawyers—Highly ranked as a “Top 10 Illinois Super Lawyer” (2005–2016), including a No. 2 ranking in 2012 and a No. 3 ranking in 2011
  • Leading Lawyers Network—Ranked as the “No. 1 business litigator” in the Chicago area, the “No. 1 business lawyer” in Illinois, and the “No. 1 lawyer in all areas of law” 
  • The National Law Journal
    • Named a “White Collar Trailblazer” (2015)
    • Selected for the “Most Influential Lawyers” Special Report in the category of Law Firm Leadership as one of the “100 Most Influential Lawyers in America,” and as a “Winning Attorney”
    • Ranked No. 25 among the top 100 verdicts for Verizon Services Inc. v. Vonage Holdings Corp., in which Dan represented the plaintiff (2007)
  • Chicago Magazine—Ranked as No. 65 in the “100 Most Powerful Chicagoans” list, which called him the “go-to litigator for white collar defendants nationwide” (2012)
  • Corporate Crime Reporter—Ranked as the “No. 1 White Collar Criminal Defense Attorney”
  • The Business Insider—Named as one of the “Country’s Top Litigators” and “One of 11 Trial Lawyers You Definitely Do Not Want to See Across the Aisle” (2010) 
  • The Chicago Daily Law Bulletin—Selected as one of the “Top 10 Lawyers for the Past 10 Years” (2010)
  • Guide to the World’s Leading Lawyers—“Best of the Best” – Ranked as the “top litigation expert in the United States” and “one of the top 25 litigation experts in the world” (2008)

Government Experience

Dan’s government experience includes serving as Assistant U.S. Attorney, Chief of Special Prosecutions Division, U.S. Attorney’s Office, U.S. Department of Justice, 1970–1976; U.S. Attorney, Northern District of Illinois, 1981–1985.

Community Service and Support of Charitable Causes 

In addition to his work for corporate clients, Dan is dedicated to community service and support of charitable causes.

Dan has served on the Board of Directors for Equal Justice Works and, in 2008, he chaired the Chicago Bar Association’s second annual Campaign for Justice, which raised a record amount of money from more than 40 law firms to help decrease the number of regional aid attorneys leaving Chicago organizations for more lucrative opportunities. Dan also has been a member of numerous public boards and bar associations.

In recent years, Dan has pledged significant gifts to his alma maters of Loyola University Chicago School of Law and Western Illinois University, where he established the Dan and Laura Webb Endowed Professorship in Political Science and the Dan and Laura Webb Pre-Law Scholarship Fund.

In 2019, Dan was appointed to serve on the Board of Directors of the Shirley Ryan AbilityLab, a not-for-profit nationally ranked physical medicine and rehabilitation research hospital based in Chicago. The AbilityLab, which is the world’s largest rehabilitation hospital, treats patients worldwide that have the most serious and debilitative injuries.

Professional Activities

Dan is a Fellow of the American College of Trial Lawyers and the International Academy of Trial Lawyers.

Capabilities

Commercial Litigation & Disputes
Product Liability & Mass Torts
Government Investigations, Enforcement & Compliance
Antitrust/Competition
Intellectual Property
Securities, M&A & Corporate Governance Litigation
Patent Litigation
Professional Services
Financial Services
Technology, Media & Telecommunications
Health Care
Medical Devices

Key Matters

Special Prosecutor and Similar Appointments

Dan has been appointed by courts to act as a Special Prosecutor or in a similar capacity on five occasions. As these appointments reflect, in numerous sensitive and high-profile legal matters of great public interest, various courts have placed their confidence in Dan to serve as an independent prosecutor with integrity and the highest level of professionalism.

Prosecution of National Security Adviser John Poindexter–Iran-Contra Affair: In 1990, Dan was appointed as a Special Prosecutor in the Iran-Contra scandal to conduct the trial of Vice Admiral John M. Poindexter, who served as the National Security Advisor under the administration of President Ronald Reagan. Mr. Poindexter was charged with conspiracy, lying to Congress, and obstruction of Congress in connection with a Congressional investigation into whether high-ranking officials in the Reagan administration improperly facilitated the sale of arms to Iran in exchange for the release of American hostages held in Lebanon, which became known as “The Iran-Contra Affair.” During the trial in this matter, which took place in the U.S. District Court for the District of Columbia, Dan cross-examined President Reagan and Lieutenant Colonel Oliver North, who was a staff member of the National Security Council. Mr. Poindexter was convicted of all charges. (His convictions were later reversed on the grounds that witnesses may have been influenced by certain immunized testimony that Mr. Poindexter had given before Congress.)

Investigation and Prosecution of Election Fraud and Corruption: In 1989, Dan was appointed as a Special Prosecutor by Judge Richard Fitzgerald, the Chief Judge of the Criminal Courts in Cook County, Illinois, to investigate potential fraud and corruption in connection with elections in Cook County. The investigation included potential fraud and misconduct within the Cook County State’s Attorney’s Office, which was then run by Cook County State’s Attorney Richard M. Daley, who later was elected Mayor of Chicago, a post he held for 22 years. As Special Prosecutor, Dan prosecuted and secured the convictions of more than a dozen individuals on charges relating to improper election-related conduct, including several individuals who were current or former employees of the Cook County State’s Attorney’s Office.

Investigation of High-Ranking Government Official: In the late 1980s, the U.S. Court of Appeals for the District of Columbia Circuit, Division for the Purpose of Appointing Independent Counsels (MacKinnon, J.), pursuant to the Ethics in Government Act of 1978 and the Independent Counsel Statute, 28 U.S.C. Section 591, et seq., appointed Dan as Independent Counsel to investigate certain allegations regarding potential violations of federal law by a high-ranking government official. After a thorough investigation, Dan determined that there was insufficient evidence to bring a prosecution and filed a report with the Independent Counsel court; the matter was then sealed.

Investigation and Prosecution Regarding Death of David Koschman: In 2012, Dan was appointed by the Circuit Court of Cook County to serve as Special Prosecutor in connection with an investigation of the 2004 death of David Koschman. This pro bono matter was a headline-grabbing case in Chicago. Winston attorneys led by Dan were appointed to serve as Special Prosecutor and Deputy Special Prosecutors tasked with investigating the homicide of 21-year-old David Koschman, who died after an April 25, 2004, incident in Chicago’s nightlife district, during which Koschman was punched by a 29-year-old man later identified as Richard Vanecko—the nephew of then-mayor Richard M. Daley. The force of the punch knocked Koschman backwards; he hit his head on the pavement and sustained fatal skull fractures. In 2004, the Chicago Police Department (CPD) and Cook County State’s Attorney’s Office concluded that they could not determine if Koschman was punched or pushed or if it was Vanecko who struck Koschman, but that whoever struck Koschman acted in self-defense. In January 2011, the Chicago Sun-Times issued a FOIA request to the CPD seeking records relating to the Koschman case. The CPD reinvestigated the case in early 2011 and concluded that Vanecko punched Koschman while acting in self-defense and that charges were not warranted. Dan and a team of Winston & Strawn lawyers empaneled a special Cook County grand jury, interviewed 146 witnesses, reviewed 300,000 pages of documents, obtained an indictment and conviction of Vanecko, and wrote a 162-page report, containing 852 footnotes, detailing the deficiencies by police and prosecutors in their previous handling of the case.

Investigation and Review of FCRL Division of City of Chicago Law Department: Dan was retained by the Law Department to The City of Chicago, through its Corporation Counsel, Steve Patton, to conduct a comprehensive, independent investigation and review of the Federal Civil Rights Litigation (FCRL) Division of Chicago’s Law Department. Acting entirely independently, Winston reviewed the FCRL Division’s policies, procedures, and practices and recommended changes to ensure that such policies, procedures, and practices conform to the highest professional and ethical standards and best litigation practices. At the completion of the review in July 2016, the firm issued a written report, summarizing its investigation and recommendations and the status of the FCRL’s implementation of those recommendations. This matter was done on a partial pro bono basis.

Investigation, Review, and Prosecution Regarding Jussie Smollett: Most recently, Dan was appointed to serve as Special Prosecutor, with support from Deputy Special Prosecutors Sam Mendenhall and Sean Wieber and a team of associates and other professionals, in connection with the case of Jussie Smollett, the well-known actor who claimed that he was the victim of a hate crime attack in Chicago in January 2019. Dan’s investigation began August 23, 2019, at the request of Cook County Circuit Court Judge Michael Toomin. He was tasked with determining whether Smollett should be further prosecuted for false reports to Chicago police and whether any person or office involved in the case—including the Cook County State’s Attorney—engaged in wrongdoing.

In February 2020, Dan announced plans to further prosecute actor Jussie Smollett, with a special grand jury returning a six-count indictment of felony disorderly conduct for lying about a hate crime. Dan said, “the grand jury’s investigation revealed that Jussie Smollett planned and participated in a staged hate crime attack, and thereafter made numerous false statements to Chicago Police Department officers on multiple occasions, reporting a heinous hate crime that he, in fact, knew had not occurred.” While Dan said he disagreed with Cook County State’s Attorney Kim Foxx’s handling of the case, he did not find that the office engaged in wrongdoing. The investigation report prepared by the Special Prosecutor’s team was unsealed by Judge Toomin on December 20, 2021.

On November 29, 2021, the criminal trial of Jussie Smollett commenced, with Dan leading the prosecution. After seven days of trial, the jury returned a widely reported (by the U.S. and non-U.S. broadcast and other media) and celebrated win for Dan and the team, finding Smollett guilty of five of the six counts of disorderly conduct. As Dan stated after the trial, “That verdict was a resounding message by the jury that, in fact, Smollett did exactly what we said he did”— planned and orchestrated a fake hate crime and lied to the police about it. The remarkable win was recognized by Am Law, which bestowed upon Dan and the team its highly coveted “Litigator of the Week” honor. At sentencing, Judge James Linn sentenced Smollett to 150 days in county jail, fined him US$25,000, and ordered him to pay more than US$120,000 in restitution for the overtime spent by Chicago police officers investigating his false reports.

 View a list of Dan's significant trials here.

Recent Experience
Delaware Court Sees Though Plaintiffs’ Poorly Disguised Derivative Claims
Secured Settlement for Fox on Brink of Trial in High-Profile Defamation Litigation Brought by US Dominion Voting Systems
Secured Nearly US$105M Trial Victory Against Ford Motor Co.
Secured Landmark Victory for BPI Against ABC News in Massive Defamation Case
Supreme Court of Illinois Unanimously Affirmed Win for Atlantic Richfield

Credentials

Education

Dan received his J.D. from the Loyola University Chicago School of Law.

    Admissions
    • Illinois

    Related Insights & News

    Books

    Dan is the co-author of Corporate Internal Investigations (Law Journal Seminars Press, 1993―present), considered by many general counsel to be the leading treatise on how corporate internal investigations should be conducted. He also co-authored “Up The Ladder: Litigator Responsibilities Under the Sarbanes-Oxley Act,” 30 Litigation 22, Summer 2004 (with Scott P. Glauberman).

    Speeches and Articles

    Dan was a featured speaker at the American Board of Trial Advocates Reception in Dallas, Texas in August 2019; spoke as part of the 2015 Delaware Trial Practice Seminar series sponsored by the U.S. District Court for the District of Delaware and the District of Delaware Chapter of the Federal Bar Association; spoke on a panel at the 2014 Law Bulletin Seminar’s 7th Annual White Collar Crime & Corporate Governance Conference on “Meeting DOJ Expectations: Your Company’s To-Do List”; spoke at the 2009 and 2010 Chicago Daily Law Bulletin Conferences on “White Collar Crime” and “Bet-the-Company Litigation Trends”; moderated a panel discussion for a Practising Law Institute Program titled “Managing Complex Federal Litigation: A Practical Guide to New Developments, Procedures, and Strategies 2009”; spoke at a PLI program in 2008 titled “Your Witness: Conducting a Killer Cross Examination”; and presented “How to Keep Your CEO—And Yourself—Out of Prison” at Corporate Counsel’s 20th Annual General Counsel Conference in New York City in June 2008.

    Dan has been a member of The National Law Journal’s editorial board and has co-authored a series of articles for the publication, including “Anti-Corruption Law’s Third-Party Perils,” Jan. 2016; “What Will Really Change After the Yates Memo?” Oct. 2015; “What the Supreme Court’s 2014 Term Means for Business,” July 2015; “What Can We Expect from Loretta Lynch?” July 2015; “Ripple Effects from the High Court’s Fishing Case,” March 2016; “It Matters Who’s in Charge at the DOJ,” Nov. 2014; “Flow of Money Out of China Has Officials on Alert,” Aug. 2014; “Whistleblower Rules Extend to Private Companies,” March 2014; “DOJ Using Old Law in New—and Worrisome—Way,” Dec. 2013; “SEC Has Begun Paying Whistleblower Bounties,” July 2013; Anti-bribery Compliance Programs in the Real World,” Feb. 2013; “FCPA Guidance Expected Soon from the Feds,” Aug. 2012; and “Criminal Referrals as Effective Tool in Brand Protection,” April 2012 (all with Robb Adkins), as well as, “Keep It Simple at First When Closing,” Sept. 2009; “In a Closing, Argue, Don’t Summarize,” May 2009; “Expert Witness Prep,” Feb. 2009; “Fact Witness Preparation,” Dec. 2008; “Trial Teams,” May 2008; “Demonstrative Evidence,” March 2008; “Prior Statements,” Dec. 2007; “Jury Voir Dire,” July 2007; and “The Opening Statement,” April 2007 (all with David Reich).

    Additional Publications

    Dan has also been the subject of numerous articles published during his career as a trial attorney, including: 

    • “Special Prosecutor Calls for Release of Full Report on Jussie Smollett Investigation,” Chicago Sun-Times, Dec. 15, 2021
    • “Jussie Smollett Timeline: A Case With Twists and Turns,” New York Times, Dec. 9, 2021
    • “Jussie Smollett’s Conviction for Orchestrating and Reporting a Phony Hate Crime Punctuates Actor’s Sudden Downfall,” Chicago Tribune, Dec. 9, 2021
    • “This Will Only Take a Moment,” The Chicago Lawyer, Nov. 1, 2012
    • “War Story: It’s Easier to Cross-Examine A Priest Than A Legendary Football Coach,” The Business Insider, Jan. 22, 2010
    • “‘Everyone’s Talking About This’: Cisco Pioneers Route to Alternative Billing,” Corporate Counsel, Nov. 2009
    • “Chicago Lawyer’s 2008 Person of the Year: Dan Webb of Winston & Strawn,” The Chicago Lawyer, Dec. 2008
    • “Profiles in Power – The 100 Most Influential Lawyers in America,” The National Law Journal, June 19, 2006
    • “Closing Arguments As Real-Life Theater,” Chicago Tribune, March 9, 2006
    • “The Man Who Talked His Way Into Law School,” Illinois Super Lawyers, Jan. 2006
    • “Witness’ Calm No Match for Ryan Lawyers’ Tenacity,” Chicago Sun-Times, Dec. 13, 2005
    • “Ryan’s Trial a Battle of Heavyweights,” Chicago Tribune, Sept. 26, 2005
    • “Racketeering and Fraud Trial Begins for Illinois Ex-Governor,” The New York Times, Sept. 20, 2005
    • “Big Tobacco, In Court Again, But Stock Is Still Up,” The New York Times, Aug. 14, 2005
    • “Ex-Governor Pins Hopes on ‘Aw, Shucks’ Guy from Bushnell,” Associated Press, March 20, 2005
    • “Pritzkers Settle Family Lawsuit; Cost: a Fortune,” The Wall Street Journal, Jan. 7, 2005
    • “Crain’s List: 2004’s Big Litigation,” Crain’s Chicago Business, Nov. 15, 2004
    • “Being Dan Webb,” The American Lawyer, Sept. 2004
    • “Need a Superlawyer? Take a Number,” The New York Times, June 13, 2004
    • “Lead Tobacco Lawyers Some of Nation’s Best,” Winston-Salem Journal, Sept. 21, 2004
    • “Tycoon’s Estate Meant Overtime for Executors – Jack Kent Cooke’s Will Sparked Fights, Big Fees; Redskins Handoff Fumbled,” The Wall Street Journal (Europe Edition), July 13, 2004
    • “Familiar Firepower Is Reunited in Grasso Case,” The Wall Street Journal, June 18, 2004
    • “Interview with Dan Webb,” Litigation, Volume 20, Number 2, Winter 2004
    • “Humble but Lethal,” The American Lawyer, Jan. 2004
    • “In Ryan’s Corner: Top U.S. Defender,” Chicago Sun-Times, Dec. 21, 2003
    • “Webb Set to Defend ‘Ryan the Man’ – Ex-U.S. Attorney a Top Litigator,” Chicago Tribune, Dec. 19, 2003
    • “Peers Vote Webb Top Defense Lawyer in White Collar Cases,” Chicago Sun-Times, May 28, 2003
    • “Who Do You Call When the SEC is Knocking at Your Door? The White Collar Winner,” Corporate Legal Times, Jan.2003
    • “Webb Steps Up to Celebrity Bar – Welch Case Gives Lawyer Shot at New Kind of Stardom,” Crain’s Chicago Business, Nov. 4, 2002
    • “Judge Permits a Litigator to Join Welch Divorce Team,” The New York Times, Oct. 31, 2002
    • “Jack Welch to Add Top Trial Lawyer Webb to Divorce Team,” USA Today, Oct. 30, 2002
    • “For Rivals, Change of Venue – Microsoft Case Puts Familiar Opponents in Unfamiliar Territory,” The Washington Post, April 15, 2002
    • “30 Tough Lawyers,” Chicago Magazine, March 2002
    • “Legal Heavyweights Add Punch to the Microsoft Case,” Los Angeles Times, March 17, 2002
    • “Who’s Who Among Practice Group Leaders Survey,” Chicago Lawyer, Sept. 2001
    • “Can Dan Webb Pull Big Tobacco Out of the Fire?” Business Week, Oct. 13, 1997
    • “Presumed Guilty,” Vanity Fair, Oct. 1996
    • “GE Crushes the Trustbusters,” The American Lawyer, Jan./Feb. 1995
    Recognitions

    Winston Recognized in Chambers Global 2025

    February 25, 2025

    Recognitions
    Winston Team Led by Dan Webb and Matthew Carter Receives Shout Out in Litigator of the Week Column

    January 17, 2025

    Recognitions
    Winston Attorneys Named on the 2025 Crain’s Chicago Business Who’s Who List

    January 8, 2025

    Press Release
    Statement of Special Prosecutor Dan K. Webb Regarding Illinois Supreme Court’s Reversal of Convictions and Sentence of Jussie Smollett

    November 21, 2024

    Recognitions

    Winston Partners Named to Benchmark Litigation’s 2025 Top 100 Trial Lawyers

    October 8, 2024

    Recognitions

    Winston & Strawn Recognized in 2025 Benchmark Litigation

    October 3, 2024

    Recognitions
    Winston Attorneys Featured on the 2025 Lawdragon 500 Leading Litigators in America List

    September 6, 2024

    Recognitions

    Winston Attorneys Recognized in The Best Lawyers in America® 2025

    August 15, 2024

    Recognitions
    Winston & Strawn Recognized in The Legal 500 U.S. 2024

    June 12, 2024

    Recognitions
    Winston & Strawn Recognized in Chambers USA 2024

    June 6, 2024

    Recognitions

    Winston Attorneys Ranked Among the Top 200 Lawyers in America by Forbes

    March 26, 2024

    Recognitions
    Dan Webb and Tom Fitzgerald Named to the 2024 Crain’s Chicago Who’s Who List

    February 20, 2024

    View All Insights & News

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