His previous leadership roles at the Department of Defense include serving as the Assistant Deputy Under Secretary of Defense for Environment, Safety and Occupational Health; Acting Deputy Under Secretary of Defense for Installations & Environment; and the inaugural Chief Sustainability Officer of the Department. Outside of the Department of Defense, Mr. Beehler spent 25 years practicing law, both in a private environment, and across a number of federal agencies including the Department of Justice's Environmental Enforcement Section. He had also served concurrently as the Director of Environmental and Regulatory Affairs at Koch Industries and as the Vice President for Environmental Projects at the Charles G. Koch Foundation.
Mr. Beehler gained a Bachelor of Arts from Princeton University, before gaining a Juris Doctor from the University of Virginia School of Law. He remains a member of the District of Columbia Bar, Maryland State Bar Association, and Virginia State Bar.