Phillips 66 (NYSE: PSX) announced that Sean Maher has been appointed vice president of investor relations and chief economist, effective Oct. 1. Maher will succeed Jeff Dietert, who has elected to retire after eight years with the company.
Maher currently serves as Phillips 66's chief economist, leading the company's global fundamental outlook and price forecasting. He joined Phillips 66 in 2024 after nearly 30 years of experience in energy finance and investment.
Prior to joining Phillips 66, Maher held senior roles at Morgan Stanley, where he launched and led coverage of midstream and integrated natural gas companies. He also served as a senior member of Morgan Stanley's integrated oil and refining franchise. Maher previously worked as partner and senior portfolio manager for an energy equity fund and co-founded Third Gear Investments.
"We are pleased to have Sean step into this important role, bringing deep industry knowledge and extensive finance experience that will strengthen our engagement with the investment community," said Kevin Mitchell, executive vice president and chief financial officer.
Dietert joined Phillips 66 in 2017 following a career in energy equity research. The company stated he played a role in evolving the investor relations function and strengthening relationships with analysts and shareholders.
Phillips 66 is a Houston-based integrated downstream energy provider that manufactures, transports and markets energy products. The company operates businesses in Midstream, Chemicals, Refining, Marketing and Specialties, and Renewable Fuels.