 HOUSTON, June 16, 2021 PRNewswire -- Select Energy Services, Inc. NYSE: WTTR Select or the Company, a leading provider of sustainable full life cycle water and chemical solutions to the U.S. unconventional oil and gas industry, today announced that the Companys Board of Directors, on the recommendation of the Nominating and Governance Committee, appointed Gayle L. Burleson to serve as a director of the Company for the current term commensurate with the existing members of the Board. 