Debevoise & Plimpton LLP (often shortened to Debevoise) is an international law firm headquartered in New York City. Founded in 1931 by Harvard Law School alumnus Eli Whitney Debevoise and Oxford-trained William Stevenson, the firm was originally named “Debevoise, Plimpton & McLean”. Debevoise specializes in private equity, M&A, insurance and financial services transactions, private funds, complex litigation, investigations, and international arbitration. In 2021, the firm assisted the Democratic Party in the second impeachment trial of Donald Trump. Debevoise is also recognized as one of the leading firms for diversity.