Mr. Warren is chair of the firm’s Aviation and Aerospace Practice and has a wide range of experience in aviation matters including those involving US and foreign airlines, aerospace manufacturing, unmanned aircraft systems (UAS), commercial space transportation, airports and infrastructure, business aviation, product certification, safety management systems, hazardous materials transport, government contracts, rulemaking and policy, litigation and government investigations. He leads a practice that extends the firm’s already strong reputation in serving clients in the transportation sector. The practice provides full-service, multi-disciplinary capabilities in areas such as antitrust and competition, environmental, international, regulatory, government contracts, administrative compliance and enforcement, business transactions and litigation matters, including investigations and arbitrations.

Mr. Warren also has significant experience in government ethics, complex investigations and regulatory enforcement, national security law, public international law and military law.

Before joining the firm in 2017, Mr. Warren was chair of a large DC-based law firm’s Aviation Group and a partner in its Administrative Law and Regulatory Group. Previously, Mr. Warren served as acting chief counsel and deputy chief counsel of the Federal Aviation Administration, among other roles there. Before his FAA appointment, he served in the US Army Judge Advocate General’s Corps, from which he retired in 2007 after having been selected for promotion to brigadier general.