ExxonMobil Announces Key Leadership Changes in Upstream and Low Carbon Solutions

XOM
September 06, 2025
ExxonMobil has announced significant leadership changes, including the retirement of Liam M. Mallon, president of ExxonMobil Upstream Company, effective February 1, 2025. Dan L. Ammann has been appointed to succeed Mallon as president of ExxonMobil Upstream Company. Additionally, Barry L. Engle has been appointed president of Low Carbon Solutions (LCS) and vice president for Exxon Mobil Corporation, effective January 1, 2025. These appointments are part of the company's approach to leverage diverse skills within its executive team. These changes are crucial for maintaining strategic direction and operational excellence in ExxonMobil's largest and most profitable business, Upstream, and its emerging Low Carbon Solutions segment. The new leadership is expected to bring fresh perspectives to drive future growth and innovation. The content on BeyondSPX is for informational purposes only and should not be construed as financial or investment advice. We are not financial advisors. Consult with a qualified professional before making any investment decisions. Any actions you take based on information from this site are solely at your own risk.