The Honorable Rachel Jacobson is the Assistant Secretary of the Army for Installations, Energy and Environment, serving as primary advisor to the Secretary of the Army and Chief of Staff of the Army for all matters related to Army installation policy and oversight and for the coordination of energy security and management. She is an experienced environmental lawyer, having previously served at the Department of Defense during the Obama-Biden Administration as the Deputy General Counsel for Environment, Energy and Installations—and earlier as a political appointee at the Department of the Interior. She spent the majority of her career as a trial lawyer and supervisor at the U.S. Department of Justice in the Environment and Natural Resources Division.