Timothy Go

Director Since: 2023

Age: 58

Business Experience:

Mr. Go has served as Chief Executive Officer and President of the Company since May 2023. He previously served as President and Chief Operating Officer from November 2021 to February 2023 and as Executive Vice President and Chief Operating from June 2020 to November 21. Prior to joining the Company, he served as Chief Executive Officer of the general partner of Calumet Specialty Products Partners, L.P., an independent producer of specialty hydrocarbon products, from January 2016 to April 2020 and retired from Calumet in June 2020. Prior to joining Calumet, Mr. Go served in various leadership roles at Koch Industries, Inc. and Flint Hills Resources, LP, a wholly-owned subsidiary of Koch Industries, Inc., from August 2008 to September 2015, including having most recently served as Vice President, Operations of Flint Hills Resources, LP from July 2012 to September 2015. Prior to joining Koch Industries, Mr. Go held various roles of increasing responsibility in downstream operations during his 18 years at ExxonMobil Corporation.

Additional Directorships:

Mr. Go currently serves as a director of Celanese Corporation.