Mark is an active arbitrator in the field of labor relations and employment law. He is a member of the National Academy of Arbitrators and serves on the arbitration panels for the American Arbitration Association, the Federal Mediation and Conciliation Service, and the American Health Law Association. Additionally, Mark serves on several permanent arbitration panels under individual collective bargaining agreements in the public and private sectors.
Mark serves as an administrative law judge under contract with the Equal Employment Opportunity Commission, involving claims of federal employees arising under federal anti-discrimination statutes.
Mark has mediated hundreds of cases involving employment law and labor relations disputes. In addition to private litigated cases, Mark serves on the mediation panels for the American Arbitration Association, the U.S. Equal Employment Opportunity Commission and all federal district courts in Tennessee.