Stephen Martinko is a government affairs counselor in the firm's Public Policy and Law practice. Martinko has extensive experience working with clients with interests in nearly all modes of transportation as well as infrastructure related innovative financing and public private partnerships. He is regularly tapped by Congress and industry groups to help develop solutions to broad sets of infrastructure related challenges and is particularly involved in emerging trends in transportation and on the intersection of transportation and technology.

Martinko has been listed as one of "five key players to watch" in transportation by Politico and as one of "Washington's next-generation power players" by National Journal. His diverse public policy and management experience includes service as executive director of the Port of Pittsburgh Commission; deputy staff director of the U.S. House of Representatives Transportation and Infrastructure Committee (T&I Committee); chief of staff to Congressman Bill Shuster (R-PA), chairman of the T&I Committee; professional staff member for the T&I Committee Subcommittee on Railroads, Pipelines, and Hazardous Materials; and director of floor debate for former House Republican Conference Chair Deborah Pryce (R-OH). He has also advised several political campaigns and President Donald Trump's transition team.

During his distinguished career as a Congressional staff member, Martinko played an integral role in enacting major initiatives into law in nearly every mode of transportation. Among his accomplishments, Martinko was the lead staff negotiator for the Water Resources Reform and Development Act (WRRDA) of 2014 and served as a member of the senior strategy and negotiating team for comprehensive surface transportation authorization legislation. He also oversaw reauthorization of the Federal Aviation Administration (FAA) as well as enactment of pipeline safety, Amtrak reauthorization, and rail safety bills.

Martinko earned his B.A. from Brown University, where he played varsity football, and obtained his M.A. from the College of International Security Affairs at the National Defense University. Additionally, he serves on the organizing committee for the Congressional Flag Football for Charity and coaches the Mean Machine (Members of Congress) team that plays every other fall against the Capitol Police.