She works in the Air Enforcement Division, focusing on Clean Air Act enforcement against stationary sources of pollution. Prior to joining EPA, Ms. Shepherdson worked for nine years as a Staff Attorney in the Water Program at the Natural Resources Defense Council in Washington, D.C., where she focused on Clean Water Act litigation and policy. She received a B.A. with majors in Biology and French from Bucknell University and a J.D. from the University of Maryland School of Law with a concentration in Environmental Law.