The Wagner Law Group, Est. 1996

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Attorney Thomas Clark Headshot

Thomas Clark

Chief Operating Officer, Partner

St. Louis

Practice Areas


Tom Clark serves as the firm's Chief Operating Officer and leads the firm's St. Louis office. His expertise encompasses all aspects of employee benefits programs, including the design, implementation and compliance of retirement plans, health and welfare plans, and executive and incentive compensation arrangements. He also has a robust practice assisting covered service providers in meeting their ERISA compliance needs. Mr. Clark's vast litigation experience complements the firm's strong and growing ERISA and employment litigation department and includes work on landmark ERISA cases involving complicated ERISA fiduciary duty issues. He has been quoted extensively as an ERISA and employee benefits expert by outlets such as Reuters, the Associated Press, Bloomberg, and Forbes. Mr. Clark teaches ERISA fiduciary law as an Adjunct Professor at The Washington University in St. Louis School of Law, his alma mater. He is a co-author of the Second Edition of "ERISA: Principles of Employee Benefits Law," the only treatise of its kind that provides an overview of the regulation of employee benefit plans by highlighting the central principles and competing policies of employee benefits law in a compact and accessible format for a broad audience of readers.

Articles Quoting Thomas E. Clark, Jr

Published Articles

Speaking Engagements

  • Electrifying Insights on E-Delivery – Thomas Clark, Jr., panelist, National Association of Plan Advisors (NAPA) free webcast, July 28, 2020, 2:00 PM (EDT) – Click here to register
  • ERISA Fiduciary Litigation – Speaker, NAPA 401(k) Summit, Loews Royal Pacific Hotel, Orlando, FL, April 26 -28, 2020
  • Retirement Plan Legislative & Regulatory Update – Speaker, TD Ameritrade National LINC 2020, January 29 – 31, 2020, Hyatt Regency Orlando, FL
  • Intro to Travel Hacking: Maximizing Airline and Hotel Points – Speaker, Excel 401(k): The Advisor’s Conference, October 27 – 29, 2019, The Gaylord Texan, Grapevine, TX
  • DOL Investigations – Interview by The 401(k) Study Group, October 16, 2019
  • Fall Benefits Briefing – Webinar panelists with, Izzy Goldowitz, Mark Poerio, Susan Rees, Stephen Wilkes, and guest, Chris Condeluci, The Wagner Law Group Free Webinar, September 25, 2019
  • Impacts of a Changing Environment: A Legislative, Regulatory and Fiduciary Update – Speaker, J.P. Morgan 2019 Defined Contribution Summit, May 22, 2019, New York, NY
  • Sue “Veneer”: What Advisors are Getting Sued About – Panelist, NAPA 401(k) Summit, April 7 – 9, 2019, Las Vegas, NV
  • ERISA Litigation Updates for Plan Sponsors – Speaker, Indianapolis Benefits Conference, March 19, 2019, Skyline Club, Indianapolis, IN
  • Retirement Plan Legislative and Regulatory Update – Speaker at TD Ameritrade’s 2019 National LINC Conference, February 6 – 8, 2019, Grand Hyatt, San Diego, CA
  • ERISA Litigation Against Advisors: Case Studies and How to Prepare – Speaker at Excel 401(k): The Advisors’ Conference, October 28-30, 2018, Las Vegas, NV
  • Proposed Retirement Plan Legislation: Plaintiff’s Bar and DOL Perspectives – Speaker at the NAPA DC Fly-In Forum, July 24-25, 2018, Washington, D.C.
  • Suit “Cases” – Lessons from 401(k) Litigation – Co-panelist at the 2018 NAPA 401(k) Summit, April 15 -17, 2018, Nashville, TN
  • Retirement Plan Legislative & Regulatory Update – Speaker at TD Ameritrade’s National LINC 2018 conference, January 31 – February 3, 2018, Orlando, FL
  • Current Status of the DOL Conflict of Interest Rule & Related State Initiatives – Webinar for the Financial Planning Association, August 17, 2017
  • You’ve Been Served: A Plan Sponsor’s Look into ERISA Litigation – Webinar for Sheridan Road Financial, July 27, 2017
  • DOL Fiduciary Rule Hot Topics – Speaker at the Sheridan Road 2017 Kohler Conference, June 25 – 27, 2017, Kohler, WI
  • ERISA Litigation and the Best Interest Contract Exemption – Speaker at the NAPA DC Fly-in Forum, July 18 -19, 2017, Washington D.C.
  • ERISA Litigation – Speaker at Plan Sponsor Council of America 70th Annual National Conference, May 2 – 3, 2017, Chicago, IL
  • 2015 Unified Trust Advisor’s Conference – Speaker
  • 2015 National Association of Pension Administrators (NIPA) Annual Conference – speaker
  • Presented ERISA topics to 2013 & 2014 Center for Due Diligence Conference, Charlotte CEBS, Employee Benefits Association of St. Louis, Nationwide Insurance, C-Biz Retirement and J.P. Morgan Retirement


  • Washington University School of Law, St. Louis, Missouri
    • LL.M. - 2008
    • Major: Taxation, Employee Benefits Focus
  • Washington University School of Law, St. Louis, Missouri
    • Juris Doctorate - 2007
  • Notre Dame Law School, London
    • The College of New Jersey, Ewing, New Jersey
      • B.S. - 2004
      • Honors: cum laude
      • Major: Economics

    Bar Admissions

    • Missouri
    • Illinois
    • U.S. District Court Southern District of Illinois
    • U.S. District Court Eastern District of Missouri
    • Massachusetts, 2021

    Professional Associations

    • American Bar Association, 2008 to Present
    • Missouri Bar Association, 2008 to Present
    • Employee Benefits Association of St. Louis, 2013 to Present
    • Friends of Arch Grants, Founding Board Member, 2013 to Present


    • Best Lawyers, 2021-2022