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  1. Professionals

D. Stephen Antion

Partner

Los Angeles

+1 213-615-1931

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  • Overview
  • Experience
  • Credentials
  • Insights & News

Steve is recognized for providing integrated and holistic counseling to private equity firms, public companies, entrepreneurial businesses, and family offices. He has experience advising clients across a range of industries on complex transactions and governance issues.

Steve represents private equity firms, public companies, entrepreneurial businesses, family offices, and wealthy families in a wide range of transactions with an emphasis on mergers and acquisitions. He also acts as outside general counsel to a number of public and private companies where he advises on governance and complex commercial transactions. His experience extends across a large variety of industries, including business services, packaging, software, distribution, HVAC services, automotive services, real estate, finance, digital media, retail, aerospace, and consumer products. Steve also counsels wealthy families in a wide range of matters, including investments, estate planning, tax strategies, and real estate matters, providing integrated and holistic advice on matters that address their specific needs.

Steve previously served as President of Ridgestone Corporation, a private investment company, where he sourced, structured, and monitored private equity and real estate investments. He was also responsible for asset allocation, manager selection, and performance reviews of Ridgestone's passive investments.

Key Matters

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

  • Represented a major accounting firm in the sale of its healthcare consulting business to a private equity firm.
  • Represented a private equity firm in the acquisition and recapitalization of a technology consulting firm specializing in digital transformation.
  • Represented an investor-owned water utility in financing transactions including a public offering of common stock, multiple issuances of long-term bonds in private placements to institutional investors and obtaining working capital facilities from banks.
  • Represented LAACO, Ltd. in its sale to CubeSmart (CUBE). LAACO owned 58 self-storage facilities in the Western United States and two private clubs in Los Angeles.
  • Represented a public company in an internal restructuring of its businesses.
  • Represented a private equity firm in the acquisition of a home services (HVAC, plumbing, electrical) business including numerous add-on acquisitions.
  • Represented a private equity firm in the sale of a compactor leasing business to another private equity firm.
  • Represented the owners of a psych hospital in its sale to a charity financed by the issuance of municipal bonds.
  • Represented a private equity firm in the acquisition of an automotive services business.
  • Represented a private equity firm in the acquisition of a veterinary services business.
  • Represented a private equity firm in the acquisition of an automotive parts distribution business and numerous subsequent add-on acquisitions.
  • Represented a family office in the purchase of a foreign media distribution business.
  • Represented a private equity firm in the acquisition of a medical device business.
  • Represented a private equity firm in a "carve out" acquisition of a division from a large packaging company; subsequently represented the business in an add-on acquisition of another packaging business.
  • Represented a private equity firm in the leveraged acquisition and subsequent sale of a national nursery business.
  • Represented a private equity firm in the acquisition and recapitalization of an online advertising business.
  • Represented a private equity portfolio company in the health care industry on its sale to a public company.
  • Represented a private equity firm in the acquisition from the lenders of the assets of a distressed consumer products business structured as a UCC Article 9 foreclosure sale.
  • Represented a private equity firm in the leveraged acquisition of a national paint and sundries business in a sale under Section 363 of the Bankruptcy Code.
  • Represented a wealthy individual in a complex estate planning transaction involving the use of life insurance.
  • Represented the majority owners of a women's apparel company in its sale to a private equity fund.
  • Represented the owners of a media storage company in a sale transaction.
  • Represented the owners of real estate in multiple sale and financing transactions.
  • Represented on a pro bono basis a charity assisting former prison inmates in their transition back to society in a merger with another charity.
Recent Experience
American States Water Co. $200M At-The-Market Offering
Winston Represented Interlock Equity in Investment in evolv Consulting
Crowe LLP's Carveout Sale of its Health Care Consulting Business
LAACO, Ltd.'s Sale to CubeSmart
Blockfusion USA and Bit Digital Enter into a Mining Services Agreement
Terold Acquisition of Majority Stake in WX Brands
National Auto Parts Warehouse's Acquisition of Engine & Performance Warehouse
National Auto Parts Warehouse Acquires All Products Automotive Inc.
National Auto Parts Warehouse Acquires Northwest Region Locations From AutoPlus

  • The Best Lawyers in America®, listed for Mergers and Acquisitions Law, 2022–2025
  • The Legal 500 U.S., M&A/Corporate and Commercial - M&A - Middle Market (sub-$500) 2016–2017

Steve has served on the boards of both public and private companies and regularly speaks on topics related to hedge funds, private equity, venture capital, and private family offices. Steve has served on the Board of Directors and Finance Committee of a private club in Los Angeles.

Capabilities

Transactions
Corporate Governance
Mergers & Acquisitions
Private Equity
Public Companies
Health Care
Technology, Media & Telecommunications

Key Matters

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

  • Represented a major accounting firm in the sale of its healthcare consulting business to a private equity firm.
  • Represented a private equity firm in the acquisition and recapitalization of a technology consulting firm specializing in digital transformation.
  • Represented an investor-owned water utility in financing transactions including a public offering of common stock, multiple issuances of long-term bonds in private placements to institutional investors and obtaining working capital facilities from banks.
  • Represented LAACO, Ltd. in its sale to CubeSmart (CUBE). LAACO owned 58 self-storage facilities in the Western United States and two private clubs in Los Angeles.
  • Represented a public company in an internal restructuring of its businesses.
  • Represented a private equity firm in the acquisition of a home services (HVAC, plumbing, electrical) business including numerous add-on acquisitions.
  • Represented a private equity firm in the sale of a compactor leasing business to another private equity firm.
  • Represented the owners of a psych hospital in its sale to a charity financed by the issuance of municipal bonds.
  • Represented a private equity firm in the acquisition of an automotive services business.
  • Represented a private equity firm in the acquisition of a veterinary services business.
  • Represented a private equity firm in the acquisition of an automotive parts distribution business and numerous subsequent add-on acquisitions.
  • Represented a family office in the purchase of a foreign media distribution business.
  • Represented a private equity firm in the acquisition of a medical device business.
  • Represented a private equity firm in a "carve out" acquisition of a division from a large packaging company; subsequently represented the business in an add-on acquisition of another packaging business.
  • Represented a private equity firm in the leveraged acquisition and subsequent sale of a national nursery business.
  • Represented a private equity firm in the acquisition and recapitalization of an online advertising business.
  • Represented a private equity portfolio company in the health care industry on its sale to a public company.
  • Represented a private equity firm in the acquisition from the lenders of the assets of a distressed consumer products business structured as a UCC Article 9 foreclosure sale.
  • Represented a private equity firm in the leveraged acquisition of a national paint and sundries business in a sale under Section 363 of the Bankruptcy Code.
  • Represented a wealthy individual in a complex estate planning transaction involving the use of life insurance.
  • Represented the majority owners of a women's apparel company in its sale to a private equity fund.
  • Represented the owners of a media storage company in a sale transaction.
  • Represented the owners of real estate in multiple sale and financing transactions.
  • Represented on a pro bono basis a charity assisting former prison inmates in their transition back to society in a merger with another charity.
Recent Experience
American States Water Co. $200M At-The-Market Offering
Winston Represented Interlock Equity in Investment in evolv Consulting
Crowe LLP's Carveout Sale of its Health Care Consulting Business
LAACO, Ltd.'s Sale to CubeSmart
Blockfusion USA and Bit Digital Enter into a Mining Services Agreement
Terold Acquisition of Majority Stake in WX Brands
National Auto Parts Warehouse's Acquisition of Engine & Performance Warehouse
National Auto Parts Warehouse Acquires All Products Automotive Inc.
National Auto Parts Warehouse Acquires Northwest Region Locations From AutoPlus

Credentials

Education

Steve received his B.A. from the University of California, Los Angeles. He earned his J.D. from the University of California, Berkeley, School of Law.

    Admissions
    • California

    Related Insights & News

    Publications

    • Co-author, Representations and Warranties Insurance: An Innovative Solution, Westlaw Journal Corporate Officers & Directors Liability and Westlaw Journal Delaware Corporate (December 2, 2013)

    Speaking Engagements

    • Maximizing the Value of Your Privately Held Business, Los Angeles, California (September 28, 2017)
    • Moderator, Private Equity Perspectives on the Current Market, Beverly Hills, California (February 20, 2014)
    • Moderator, Private Equity Perspectives on the Current Market, Beverly Hills, California (May 15, 2013)
    Recognitions

    Winston Attorneys Recognized in The Best Lawyers in America® 2025

    August 15, 2024

    Pro Bono In Action
    Winston M&A Teams Help NGOs Restructure to Enhance Efficient Delivery of Vital Services

    July 18, 2024

    Recognitions
    Winston Attorneys Recognized in The Best Lawyers in America® 2024

    August 17, 2023

    Seminar/CLE
    Winston Transactions Chair Leads Discussion on State of the Market for Private Equity

    June 7, 2023

    Recognitions
    Winston & Strawn Attorneys Recognized in The Best Lawyers in America© 2023

    August 18, 2022

    Recognitions
    Winston & Strawn Attorneys Recognized in The Best Lawyers in America© 2022

    August 19, 2021

    Article
    COVID-19 Hotel M&A Contract Case Offers Drafting Takeaways

    April 1, 2021

    Webinar
    Implications of Certain Provisions of the Federal Stimulus Package to Private Equity Funds and their Portfolio Companies

    April 1, 2020

    In the Media
    Steve Antion Discusses Family Law Tax Blunders with Bloomberg

    February 4, 2019

    Speaking Engagement
    Winston Sponsors and Steve Antion Speaks at USC Gould School of Law’s ICC 2018

    December 5, 2018

    Press Release
    Winston Strengthens West Coast Private Equity Practice With Addition of Two Partners

    May 14, 2018

    View All Insights & News

    Capabilities

    Transactions
    Corporate Governance
    Mergers & Acquisitions
    Private Equity
    Public Companies
    Health Care
    Technology, Media & Telecommunications
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