Aaron Wernham, M.D., is the director of the Health Impact Project, a collaboration of the Robert Wood Johnson Foundation and The Pew Charitable Trusts designed to promote the use of health impact assessments (HIAs) and support the growth of the field in the United States. Dr. Wernham is an HIA expert who has led HIAs at the state and federal levels. He has conducted HIA trainings for, collaborated with and advised numerous health and environmental regulatory agencies on integrating HIAs into their programs. Prior to joining Pew, Dr. Wernham was a senior policy analyst with the Alaska Native Tribal Health Consortium, where he led the first successful efforts in the United States to formally integrate HIAs into the federal environmental impact statement process. Dr. Wernham also directed a collaborative state-tribal-federal working group on HIAs and, with this group, wrote HIA guidance for federal and state environmental regulatory and permitting efforts. Dr. Wernham received his medical degree from the University of California, San Francisco, and a master’s degree in health and medical sciences from the University of California, Berkeley. Board certified in family medicine, he previously served as clinical faculty in the University of California, Davis, family medicine residency program at Contra Costa Regional Medical Center.