He earned his Bachelor of Science degree in ocean engineering from the United States Coast Guard Academy in New London, Connecticut.From 1999 to 2001, he commanded Coast Guard Group/Marine Safety Office (now Sector) Long Island Sound, based in New Haven, Connecticut.Vice Admiral Pekoske served as Commander, Pacific Area/Coast Guard Defense Forces West in Alameda, California.[13] On November 13, 2019, with the appointment of Ken Cuccinelli as Acting Deputy Secretary, Pekoske returned to his duties as TSA Administrator.From January 20, 2021 to February 2, 2021, Pekoske was appointed acting secretary of homeland security by President Joe Biden, during the Senate confirmation of Alejandro Mayorkas to the role.
Administrator David Pekoske being ceremonially sworn in at DHS headquarters by Acting Secretary Elaine Duke.