Matthew D. Slater’s practice focuses on international investment-treaty and commercial arbitration and litigation involving the highest stakes and cutting-edge issues. In his international arbitration and litigation practice, Matt often represents foreign sovereign governments and government agencies and instrumentalities. He also regularly represents clients in international litigation in a diverse range of matters in U.S. courts often involving cross-border coordination with courts around the world. Matt is also active in the firm’s pro bono practice. Matt joined the firm in 1985 and became a partner in 1992. In 1995, he was appointed principal deputy general counsel of the U.S. Air Force, where he worked in government service until rejoining the firm in 1999. Matt was responsible for the department’s alternative dispute resolution program and for overseeing major litigation concerning national security information and the military and state secrets privilege, tort claims, environmental claims, bid protests, contract claims, and base closures, as well as for a wide range of non-litigation matters. He was awarded the Air Force Decoration for Exceptional Civilian Service. In 2021, he became Senior Counsel.