Eckert Seamans Continues Growth of Commercial Litigation Practice with Addition of Member Mark C. Hamilton in Pittsburgh
February 4, 2026
National law firm Eckert Seamans has welcomed Mark C. Hamilton as a Member in the Commercial Litigation practice group. He joins the firm’s Pittsburgh office from Tucker Arensberg, P.C.
Hamilton focuses his practice on commercial and estates and trust litigation. He also advises banking, financial services, and corporate fiduciaries on a range of litigation and regulatory compliance matters. Hamilton is the general counsel for the Orthodox Church in America, a position he has held since 2024. Prior to entering private practice, he worked as a contract analyst, concentrating on compliance with the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR).
“Mark brings to Eckert Seamans sophisticated trial experience, including in orphans’ court proceedings, which is a rare expertise,” said Frank Emmerich Jr., Co-Chair of Eckert Seamans’ Commercial Litigation practice group. “His background advising financial institutions and navigating complex compliance frameworks further strengthens our nationally recognized practice.”
Hamilton holds a J.D. from the University of Pittsburgh School of Law, an MS from London School of Economics and Political Science, and a B.A. from Miami University of Ohio. He currently serves as Vice-Chair of the Allegheny County Bar Association’s Bench-Bar Conference Committee.
Eckert Seamans’ Commercial Litigation practice advises on business disputes across a broad spectrum of local, regional, and national industry sectors, counseling clients on all stages of litigation, from pre-suit counseling and investigations through trials and appeals. The practice was nationally recognized by Best Law Firms® 2026 edition and ranked among leaders by the Chambers USA 2025 guide.