John joined Palantir Technologies in September 2010 as the company’s first Civil Liberties Engineer. Previously, John served for nearly a decade as an advisor in the United States Senate. He began his career in the Senate as an aide to Senator Peter Fitzgerald before joining the staff of former presidential candidate and member of the Senate Republican leadership, Senator Lamar Alexander. While working for Senator Alexander on issues ranging from the federal budget to homeland security, John attended law school at Georgetown University. He earned his law degree shortly after joining the staff of the Senate Homeland Security and Governmental Affairs Committee. As a Civil Liberties Engineer at Palantir, John has worked with customers all over the world, helping them to develop data protection practices that make the best use of Palantir’s privacy and civil liberties protective capabilities. John is a co-author of "The Architecture of Privacy" (O’Reilly 2015) and co-authored a chapter in The Cambridge Handbook of Consumer Privacy, “A Marketplace for Privacy: Incentives for Privacy Engineering and Innovation.” (Cambridge UP, 2018). John is currently working with the Palantir Learning and Development team on Palantir's Ethics Education Program.