Anne Idsal Austin is an environmental law partner at Pillsbury Winthrop Shaw Pittman, where she splits her time between Washington, D.C., and Austin. Austin previously was the principal deputy assistant administrator for the U.S. Environmental Protection Agency's Office of Air & Radiation (OAR), where she had primary oversight over U.S. clean air policy and regulation. She also served as the EPA regional administrator for Region 6, overseeing all federal environmental programs in Texas, Louisiana, New Mexico, Oklahoma and Arkansas.