Kosta is a partner in the Washington, D.C. office of Wilkinson Walsh + Eskovitz. His practice focuses on trials and investigations. Prior to joining the firm, Kosta spent six and a half years as an Assistant U.S. Attorney in the Eastern District of Virginia, Financial Crimes and Public Corruption Unit, where he prosecuted a wide variety of cases, including securities and bank frauds, intellectual property crimes, bid rigging, money laundering, and bribery. He received a Director’s award for superior performance, an Assistant Attorney General’s award for distinguished service, and an FBI service award.
Before his public service, Kosta was a litigation associate at Sidley Austin LLP, where he was a member of three trial teams opposite the federal government, played a key role in several investigations, and maintained an active pro bono practice. Kosta began his legal career by clerking for the Honorable John G. Roberts, Jr. during the future Chief Justice’s final term on the Court of Appeals, his confirmation process for the Supreme Court, and his first term as Chief Justice.