Marc is an experienced trial lawyer widely regarded as one of the nation’s preeminent business litigators. He has extensive experience with large-scale, “bet-the-company” matters and is recognized for his ability to handle the most complex and critical litigation issues. Marc’s expertise includes complex commercial transactions, procurement, health care, trade secrets and non-competition, product liability, business torts, real estate, intellectual property rights, and toxic tort defense.

During his 30 years of practice, Marc has tried, litigated, arbitrated, mediated, or otherwise resolved a wide variety of disputes and other client matters across the country. Marc’s clients include large publicly traded corporations, health care companies, chemical companies, steel manufacturers, financial institutions, accounting firms, and a variety of governmental entities.

As part of his sophisticated practice, Marc counsels health care clients as they navigate the complex regulatory environment and assists clients in resolving disputes with state government entities through administrative litigation. Marc has significant experience representing clients in administrative hearings, contested case hearings, and defending favorable decisions through appeals. His representation includes serving as national counsel to one of the largest health insurance providers in the country for more than 12 years. In this representation, Marc has built a reputation based on providing top-notch innovation, quality, and service in all aspects of state and local government procurement.

In addition to his representation of clients in the health care industry, Marc represents a large range of clients in non-compete, non-solicitation, and trade secret matters, helping them protect their competitive advantage. Marc has also achieved significant trial successes for his clients in complex, high-stakes product liability litigation.

In addition to his thriving litigation practice, Marc is the former CEO and Managing Partner of a mid-size multi-office firm. He led the firm’s Litigation Practice Area in Columbus and mentored other attorneys across the firm’s additional offices.


  • Honoree, Chambers USA: America’s Leading Lawyers for Business, Litigation: General Commercial (2013 – present)

  • Honoree, Lawyer of the Year, Best Lawyers®, Franchise Law (2022, 2024), Mass Tort Litigation / Class Actions – Defendants (2018), Columbus

  • Honoree, Ohio Super Lawyers, Business Litigation (2004 – present), Top 100 Ohio (2011), Top 50 Columbus (2011, 2021)

  • Honoree, Best Lawyers in America® (2012 – present)

  • Honoree, Top Lawyers, Columbus CEO (2010 – 2022)

  • AV Preeminent® Martindale-Hubbell


  • Capital University Law School (1992)

    Dean’s Fellowship Award

  • Dickinson College (1989)

    B.A., Cum laude


  • State - Ohio
  • Federal - Northern District of Ohio
  • Federal - Southern District of Ohio
  • Federal - U.S. Court of Appeals for the Sixth Circuit
  • Federal - 9th Circuit Court of Appeals
  • Federal - U.S. Bankruptcy Court for the Southern District of Ohio

Speeches and Publications

A New Frontier: The NCAA & NIL (Collier County Women’s Bar Association) – November 18, 2022

Professional Affiliations

  • American Bar Association
  • Ohio State Bar Association
  • Columbus Bar Association

Community Involvement

Board of Directors, Central Ohio Diabetes Association (CODA)

Member, United Way Young Leaders

Executive Board, Children’s Hospital Development Board

Adjunct Professor in Professional Sports Law, Capital University School of Law