Andrew Paul Hallman is an American intelligence official who served as acting Principal Executive in the Office of the Director of National Intelligence from October 2019 to February 2020.

Hallman studied at Michigan State University, graduating with a bachelor of science degree in 1984.

[1] Inspired by one of his professors at the School of International Service, Hallman joined the Central Intelligence Agency (CIA) in 1989,[2] where he would ultimately spend more than 30 years.

[4] Innovations included the use of private-sector cloud computing,[5] as well as the usage of open-source information and the greater integration of new technologies into the CIA's work.

[9] On February 21, 2020, with the replacement of Director Maguire with Richard Grenell, at the instigation of President Donald Trump, Hallman was removed from office as well,[10] reportedly to allow Grennell the freedom to install his own management team.