An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

About EPA

About the Office of the Administrator

What We Do

The Office of the Administrator (AO) provides executive and logistical support for the EPA Administrator.  AO supports the leadership of EPA's programs and activities to protect human health and the environment. To contact AO, call 202-564-4700.


Andrew Wheeler, Administrator
Doug Benevento, Associate Deputy Administrator
Henry Darwin, Assistant Deputy Administrator
Mandy Gunasekara, Chief of Staff
Michael Molina, Deputy Chief of Staff
Wesley J. Carpenter, Deputy Chief of Staff

The Office of the Administrator includes: