Gregory Walden

Senior Advisor, Emerging Technologies

Washington, DC

+1 202 857 2928


With years of experience in government, private practice and teaching, Gregory Walden is a national authority in the aviation and government ethics spaces.

Gregory served as chief counsel of the FAA and as associate deputy attorney general with the U.S. Department of Justice, where he was special assistant and counselor to the assistant attorney general of the Civil Division. He also served as associate counsel to President George H.W. Bush as a member of the Interstate Commerce Commission, and as transition ethics counsel for President-Elect George W. Bush.

Gregory advises current and prospective presidential appointees, members of Congress, and congressional candidates, companies and individuals on government ethics issues, including the Lobbying Disclosure Act; Foreign Agents Registration Act; House and Senate gift, travel and financial disclosure rules; and the Executive Branch Standards of Conduct. He counsels citizen groups on matters pending before the FAA, U.S. Department of Transportation (DOT), National Transportation Safety Board, Transportation Security Administration (TSA), U.S. Customs and Border Protection (CBP) and Congress.

He represents the full spectrum of transportation clients, including passenger and cargo airlines, air taxi operators, unmanned aircraft manufacturers and operators, fixed-base operators, airports, security companies and shippers.

Gregory also advises companies and individuals on the meaning and application of ethics laws, including provisions in Title 18, the standards of conduct for executive branch officers and employees, financial reporting requirements applicable to presidential appointees and candidates for Congress, the Lobbying Disclosure Act and the Foreign Agents Registration Act.

He has taught aviation law at George Mason University School of Law since 1998, and he developed and teaches the university’s first post-graduate course in transportation law for the School of Public Policy. Gregory co-authored Aviation Law – Cases and Materials, published by Carolina Academic Press (2006).


Adjunct Professor, George Mason University Law School (Aviation Law) (1998-present)

Adjunct Professor, George Mason University School of Public Policy (Transportation Law) (2002, 2004, 2008, 2010, 2012 and 2014)

Member, Regulatory Issues Advisory Group, National Business Aviation Association

Member, Editorial Advisory Board, Airport Noise Report


District of Columbia

Greg Walden