Mark Menezes is the president and CEO of the United States Energy Association. Previously, Menezes served as Deputy Secretary of Energy in the Department of Energy from 2020 to 2021 and as Under Secretary of Energy from 2017 to 2020. There, he managed the national labs, the nuclear weapons programs, and the environmental remediation of nuclear test sites. He also worked as vice president at Berkshire Hathaway Energy.