ExxonMobil has announced the retirement of Liam Mallon, President of ExxonMobil Upstream Company and Vice President of ExxonMobil Corporation, effective February 1, 2025.

In light of this, the Board of Directors has appointed Dan L. Ammann as the new President of ExxonMobil Upstream Company, with Dan continuing his role as Vice President of ExxonMobil Corporation as Mallon’s successor.

Additionally, Barry L. Engle will take on the role of President of Low Carbon Solutions and Vice President of ExxonMobil Corporation, starting January 1, 2025.

Darren Woods, Chairman and CEO of ExxonMobil, expressed gratitude to Mallon for his years of dedicated service, wishing him the best in his retirement. “These appointments reflect our ongoing strategy of leveraging the diverse skills and experience of our executive team to bring fresh perspectives and drive innovation across our organizations,” Woods said.

Mallon, who has served as President of ExxonMobil Upstream Company since 2022, joined ExxonMobil in 1990 in Aberdeen, Scotland.