Marc A. Tenenbaum (1962-2020)


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About Marc A. Tenenbaum (1962-2020)

Marc A. Tenenbaum was affiliated with Virginia & Ambinder, LLP since 2007 and had more than 25 years of experience in ERISA litigation. He handled cases concerning fiduciary responsibility, withdrawal liability, benefit entitlement, collection of delinquent employer contributions, and a range of other issues that frequently arise under Titles I and IV of ERISA. In addition, he was accomplished in commercial litigation, appellate practice, and bankruptcy law. He was the co-author of two published articles on the relationship between ERISA and the Bankruptcy Code and a rewrite editor of the Employee Benefits Law treatise published by the Bureau of National Affairs.

Marc served for seven years in the Office of the General Counsel of the Pension Benefit Guaranty Corporation (PBGC) – the federal agency responsible for administering Title IV of ERISA. He was the senior staff attorney on PBGC’s elite bankruptcy litigation team and was involved in some of the country’s largest bankruptcy cases. In addition, he wrote numerous appellate briefs and was involved in high-profile litigation before the United States Supreme Court.

He entered the private practice of law in 1997, when he became associated with the Washington, D.C. firm now known as Arent Fox LLP. At Arent Fox, he continued to focus on federal litigation, and also provided advice to clients on pension and bankruptcy law.

In 1999, Marc moved to the Washington, D.C. firm of Slevin & Hart, P.C., where he represented numerous multiemployer plans. He served as lead litigation counsel in federal court; represented plaintiffs and defendants in class actions; provided advice to plan sponsors, fiduciaries, participants, and labor unions regarding employee benefits issues; represented clients before federal agencies including PBGC, the Internal Revenue Service, and the Department of Labor; and represented employee benefit plans and labor unions in corporate bankruptcy cases.

Marc graduated from the University of Michigan in 1984 with a bachelor’s degree in economics. In 1989, he received his law degree from The Ohio State University, where he served as a senior member of the Board of Editors of the Ohio State Law Journal. Marc was a member of the New York and District of Columbia bars, and was admitted to practice before numerous federal courts.

Areas of Practice

  • ERISA Litigation

Bar Admissions

  • New York
  • District of Columbia
  • U.S. Court of Appeals 1st Circuit
  • U.S. Court of Appeals 2nd Circuit
  • U.S. Court of Appeals 4th Circuit
  • U.S. Court of Appeals 6th Circuit
  • U.S. Court of Appeals 7th Circuit
  • U.S. District Court Eastern District of New York
  • U.S. District Court Southern District of New York
  • U.S. District Court of the District of Columbia


  • Ohio State University Michael E. Moritz College of Law, Columbus, Ohio - 1989
    • Law Review: Ohio State Law Journal, Member, Board of Editors
  • University of Michigan - 1984
    • Major: Economics

Past Employment Positions

  • Pension Benefit Guaranty Corporation (PBGC), 1989 - 1997