Mark is the Chair of the Firm's Labor Practice Group.  He is also the Chair of the West Virginia Chamber of Commerce Human Resources Committee and member of the Labor Relations Committee of the United States Chamber of Commerce.

He has advised and represented employers throughout the United States in corporate campaigns, collective bargaining, arbitrations, and federal litigation involving labor unions as well as serving employers in employment litigation. He has litigated in Alaska, New Jersey, Idaho, Michigan, Alabama, and other states and has advised clients in Washington state, Puerto Rico, California, New York, Florida, the District of Columbia, and the majority of the states in the nation.

Mark has testified before the United States Senate and the House of Representatives. He is a former management chair of the Antitrust RICO and Labor Law Committee of the American Bar Association and has spoken at more than 10 annual meetings of that organization. He has also spoken for the U.S. Chamber of Commerce, the Canadian Association of Counsel to Employers, the Labor Policy Association and other national trade groups.

He previously served as the chairman of the Federal Service Impasses Panel upon the appointment of President Trump in July 2017. He and his colleagues resolved impasses in collective bargaining between the United States Government and unions representing federal employees. From 2002 through 2009, he served as a member of the Federal Service Impasses Panel upon three successive appointments by President George W. Bush.

Bar Admissions

West Virginia

U.S. Supreme Court

U.S. Court of Appeals for the Fourth Circuit

U.S. Court of Appeals for the Sixth Circuit

U.S. Court of Appeals for the Seventh Circuit

U.S. Court of Appeals for the Ninth Circuit

U.S. Court of Appeals for the Eleventh Circuit

U.S. District Court for the Western District of Michigan

U.S. District Court for the Eastern District of Michigan

U.S. District Court for the Northern District of West Virginia

U.S. District Court for the Southern District of West Virginia

U.S. District Court for the District of Columbia

Education

• West Virginia University College of Law (J.D., 1986)
• University of Michigan (B.A., with high distinction, 1982)
  • Burnett Scholar

• Best Lawyers^® 
  • Labor and Employment Management Law (2004-2024)
  • “Lawyer of the Year” in Charleston for Employment Law-Management (2012)
  • "Lawyer of the Year" in Charleston for Labor Law-Management (2020, 2024)
• West Virginia Super Lawyers^®
  • Employment & Labor (2007-2021)
  • Top Rated Employment & Labor Attorney in Charleston, West Virginia (2021)
• Top Ten lawyer in the state by West Virginia Super Lawyers^® magazine (2007 - 2015, 2021, 2022)
• Chambers USA^®: America's Leading Lawyers for Business, Labor & Employment Tier 1
• Rated 5.0. AV in Martindale-Hubble

• Federal Service Impasses Panel
  • Past chairman (2017 - 2021)
  • Past member (2002 - 2009)
• Fellow, College of Labor and Employment Lawyers, (2006 - present)
  • Past Credentials Committee member, chair
• American Bar Association
  • Section of Labor and Employment Law
  • Annual Meeting Subcommittee, past management chair  
  • Antitrust, RICO and Labor Law Committee, past management chair  
  • National Institutes Subcommittee, management chair
• WV Chamber of Commerce, Human Resources Committee, chair (2014 - present)
• West Virginia Judicial Vacancy Advisory Commission (2020-present)