U.S. Environmental Protection Agency (EPA) administrator Lee Zeldin announced that Scott Mason IV has been appointed to serve as the 14th regional administrator of the EPA’s South Central Region, also known as Region 6. Mason will lead the implementation of the Trump administrations environmental agenda in Arkansas, Louisiana, New Mexico, Oklahoma and Texas and with 66 Tribal Nations.
This is Mason’s second appointment to EPA, having served as the Director of EPA’s American Indian Environmental Office during President Trump’s first administration. He and his staff were charged with the protection of human health and the environment in Indian country, which includes all 574 federally recognized tribes and Alaska Native Villages. Additionally, he was a member of The White House Council on Native American Affairs, where he served as co-chair of the Council’s Committee on Infrastructure.
Most recently, Mason was the deputy secretary of energy of Oklahoma. He has served at the local, state and federal levels of government in various capacities, including as a vice president and the executive director of federal programs at The University of Oklahoma and on the staff of Oklahoma Governor Mary Fallin.
Mason is a Citizen of the Cherokee Nation and a 5th generation Oklahoman, from Cordell.
Published March 2025
