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  1. Professionals

Daniel T. Chaudoin

Partner

Washington, DC

+1 202-282-5049

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  • Overview
  • Experience
  • Credentials
  • Insights & News

Dan is a former Assistant Director of the United States Securities and Exchange Commission (SEC) and has decades of experience representing financial institutions, public companies, and individuals in high-profile investigations regarding federal securities laws and consumer protection laws.

Dan’s practice focuses on representing financial institutions in investigations regarding federal securities laws, consumer protection laws, and unfair and deceptive trade practices. He regularly appears before the Securities and Exchange Commission (SEC), the Financial Industry Regulatory Authority (FINRA), the Consumer Financial Protection Bureau (CFPB), the U.S. Commodity Futures Trading Commission (CFTC), and state Attorneys General, among others.

Dan served on the staff of the SEC for 10 years, ultimately as Assistant Director, Division of Enforcement. While at the SEC, he led a team of attorneys in the investigation and litigation of cases involving the Securities Act, the Securities Exchange Act, the Investment Advisers Act, the Investment Company Act and the Foreign Corrupt Practices Act (FCPA). He also oversaw coordinated efforts with FINRA and directed SEC actions with related criminal investigations by the Department of Justice and by the U.S. Attorney's Offices for the Southern and Eastern Districts of New York, Central District of California, Middle District of Florida, and District of Delaware.

Prior to joining Winston, Dan was a partner at a large international law firm, where he drew on his experience at the SEC to help large financial institutions, public companies, and individuals attain positive outcomes in investigations by federal regulators.

Key Matters

Some of the experience represented below may have been handled at a previous firm.

  • Representing a major financial institution in coordinated investigations by the CFPB and state attorneys general relating to its partnership with an e-wallet provider
  • Representing an executive at a pharmaceutical company in an investigation by the SEC into alleged insider trading
  • Representing an executive of a wellness company in an investigation by the SEC related to alleged fraudulent public disclosures
  • Representing a major financial institution in successfully negotiating one of the largest CFPB settlements in agency history
  • Representing a broker-dealer in attaining a positive outcome in a CFTC investigation relating to precious metals sales and offerings
  • Representing a major financial institution in over-lapping inquiries by multiple regulators, including the CFPB and the Office of the Comptroller of the Currency, relating to consumer account opening practices
  • Representing a special purpose acquisition company (SPAC) in a precedent setting SEC enforcement action
  • Representing a broker-dealer relating to congressional and regulatory investigations
  • Representing a major financial institution relating to a CFPB investigation into its student loan servicing practices
  • Representing the Audit Committee of a public company in investigating whistleblower allegations relating to financial reporting practices
  • Representing broker-dealers in SEC and FINRA investigations regarding institutional trading and market structure issues, including alleged violations of the SEC’s Market Access Rule, ATS (“dark pool”) order routing and trade reporting practices, and alleged market manipulation “spoofing”

  • Dan was recognized in Lawdragon's “500 Leading Global Litigators” guide for International Litigation & Arbitration (esp. Banking & Finance) in 2024.
  • Dan has been recommended by Legal 500 US for his financial services regulation practice in 2018, Corporate Investigations and White-Collar Criminal Defense in 2021, and Financial Services Litigation in 2024.
  • Dan was recognized by The Best Lawyers in America® for his work in Securities Litigation in 2025.

Capabilities

Compliance Programs
Securities, M&A & Corporate Governance Litigation
Financial Innovation & Regulation
Public Companies
Financial Services
Consumer Financial Services

Key Matters

Some of the experience represented below may have been handled at a previous firm.

  • Representing a major financial institution in coordinated investigations by the CFPB and state attorneys general relating to its partnership with an e-wallet provider
  • Representing an executive at a pharmaceutical company in an investigation by the SEC into alleged insider trading
  • Representing an executive of a wellness company in an investigation by the SEC related to alleged fraudulent public disclosures
  • Representing a major financial institution in successfully negotiating one of the largest CFPB settlements in agency history
  • Representing a broker-dealer in attaining a positive outcome in a CFTC investigation relating to precious metals sales and offerings
  • Representing a major financial institution in over-lapping inquiries by multiple regulators, including the CFPB and the Office of the Comptroller of the Currency, relating to consumer account opening practices
  • Representing a special purpose acquisition company (SPAC) in a precedent setting SEC enforcement action
  • Representing a broker-dealer relating to congressional and regulatory investigations
  • Representing a major financial institution relating to a CFPB investigation into its student loan servicing practices
  • Representing the Audit Committee of a public company in investigating whistleblower allegations relating to financial reporting practices
  • Representing broker-dealers in SEC and FINRA investigations regarding institutional trading and market structure issues, including alleged violations of the SEC’s Market Access Rule, ATS (“dark pool”) order routing and trade reporting practices, and alleged market manipulation “spoofing”

Credentials

Education

Daniel received his J.D. with honors from the University of Chicago Law School in 1996. He received his B.A. with high honors in philosophy from Swarthmore College in 1991, where he was a member of Phi Beta Kappa.

    Admissions
    • District of Columbia

    Related Insights & News

    Publications
    • “The SEC’s New Approach to Neither-Admit-Nor-Deny Policy May Not Be So New After All,” New York Law Journal, Dec. 2021
    Client Alert
    The CFTC’s Mitigation Credit Matrix: New Guidelines for a New Context

    April 29, 2025

    Sponsorship
    Winston & Strawn Sponsors SIFMA C&L Annual Seminar

    March 23, 2025

    Webinar
    State Attorneys General: The New Financial Regulators?

    March 6, 2025

    Client Alert
    State AGs File Amicus Brief in Support of Union Challenging CFPB Shutdown

    February 28, 2025

    Webinar
    CFPB and SEC Developments in Trump’s Second Term – What You Need to Know

    February 13, 2025

    Blog
    Understanding Reg E: A Primer

    January 29, 2025

    Blog
    Winston & Strawn Launches Reg E Reader Blog

    January 29, 2025

    Recognitions

    Winston Attorneys Recognized in The Best Lawyers in America® 2025

    August 15, 2024

    Recognitions
    Winston Lawyers Featured on the 2024 Lawdragon 500 Leading Global Litigators List

    July 25, 2024

    Blog

    Supreme Court Issues Decision in SEC v. Jarkesy

    July 2, 2024

    Client Alert
    SCOTUS Limits the SEC’s Ability To Use In-House Tribunals To Seek Civil Penalties For Securities Fraud, Stripping the Agency of One of Its Many Enforcement Tools

    June 28, 2024

    Webinar
    The SEC’s Spotlight on Digital Assets

    June 11, 2024

    View All Insights & News

    Capabilities

    Compliance Programs
    Securities, M&A & Corporate Governance Litigation
    Financial Innovation & Regulation
    Public Companies
    Financial Services
    Consumer Financial Services
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