David J. Lesar
Chief Executive Officer
David J. Lesar was named President and Chief Executive Officer in July 2020. He has been a director since May 2020 and has chaired the Board’s Business Review and Evaluation Committee since its formation in early May 2020.
He most recently served as interim CEO of Health Care Service Corporation, the largest privately held health insurer in the U.S, from July 2019 through June 1, 2020, having joined the company's board of directors in 2018.
He was the Chairman of the Board and CEO of Halliburton Company from 2000 to 2017 and Executive Chairman of the Board from June 2017 until December 2018. Dave joined Halliburton in 1993 and served in a variety of other roles, including executive vice president of Finance and Administration for Halliburton Energy Services, a Halliburton business unit, CFO of Halliburton from 1995 through May 1997, President and Chief Operating Officer from May 1997 through August 2000.
He has also served on the board of directors of several companies, most recently Agrium, Inc. as well as Lyondell Chemical Co., Southern Co., Cordant Technologies, and Mirant. A Certified Public Accountant, Dave was previously a partner at Arthur Andersen. He received both his B.S. and MBA from the University of Wisconsin.