On April 20, 2026, U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin named Teresa Booeshaghi Associate Administrator of the Office of Applied Science and Environmental Solutions (OASES). OASES coordinates the agency’s science enterprise, ensuring consistency across the program offices responsible for carrying out EPA’s statutory obligations, further advancing gold standard science and strengthening technical assistance to state and local partners.
In this role, Booeshaghi will advance EPA’s core mission of protecting human health and the environment. She joins OASES from the Office of Land and Emergency Management (OLEM), where she has served as Deputy Assistant Administrator for Policy since May 2025.
“Teresa Booeshaghi brings the leadership and hands-on policy experience OASES needs at the helm,” said Administrator Zeldin. “She has spent her career protecting human health and the environment on the front lines at the state level, and she will be a tremendous leader.”
“I’m grateful to Administrator Zeldin for the opportunity to build on the excellent scientific work already underway at EPA,” said Associate Administrator Booeshaghi. “OASES was designed to be practical and rooted in gold-standard science to solve real challenges for program and regional offices and meet emerging issues with rigorous data. That’s the work I’m eager to get started on.”
Teresa Booeshaghi brings with her an impressive track record of scientific and environmental leadership and a wealth of policy expertise. Prior to her leadership in OLEM, Teresa spent over two decades at the Florida Department of Environmental Protection (FDEP), where she was a leading force in advancing environmental protection and regulatory compliance across the state. With hands-on experience at labs from Virginia to Florida, Teresa has leveraged her scientific background to lead environmental cleanup, waste management, and emergency response programs at both state and federal levels. Teresa has broad expertise in emergency operations, including environmental recovery following natural disasters and advancing responses to emerging contaminants like PFAS.
