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Leadership Board of Directors

Franklin Myers , , , Chief Executive Officer and President

Mr. Myers has served as the Company’s Chief Executive Officer and President since February 2026, and as the Chairperson of the Board of the Company since February 2019. He served as an Operating Partner of Quantum Energy Partners, a private equity firm, from 2024 to March 2026, and previously served as a Senior Advisor of Quantum Energy Partners since February 2013. Mr. Myers served as an operating advisor to Paine & Partners, LLC, a private equity firm, from 2009 through 2012 and as Senior Advisor to Cameron International Corporation, a publicly traded provider of flow equipment products, from 2008 until 2009. He served Cameron in various other capacities, including as Senior Vice President and Chief Financial Officer from 2003 through 2008, President of Cameron’s compression business from 1998 through 2001 and Senior Vice President and General Counsel from 1995 through 1999. In addition, Mr. Myers served as Senior Vice President and General Counsel of Baker Hughes Incorporated from 1988 through 1995 and as an associate and then a partner at Fulbright & Jaworski (now Norton Rose Fulbright) from 1978 through 1988.

Vivek Garg , , , Acting Chief Financial Officer, Vice President, Chief Accounting Officer and Controller

Vivek Garg has served as our acting Chief Financial Officer since February 2026 and as our Vice President, Chief Accounting Officer and Controller since July 2024. Prior to joining the Company, Mr. Garg served as Head, SEC, External Reporting and Controls, Global of Newmont Corporation (“Newmont”), a NYSE listed gold mining company and producer of copper, silver, zinc and lead, a position he had held since October 2023. Prior to then, he served as Group Executive, Assistant Controller from December 2021 to October 2023, and Senior Director, Assistant Controller from November 2018 to December 2021. Prior to joining Newmont, Mr. Garg held the positions of Deputy Controller, Technical Accounting & Reporting, and Director, Technical Accounting at Andeavor (now Marathon Petroleum Corp.), which was a NYSE listed integrated marketing, logistics and refining company, from June 2015 to November 2018. Prior to then, he served in assurance and accounting advisory services roles for 13 years at Deloitte & Touche LLP and PricewaterhouseCoopers LLP, having most recently served as Director in Capital Markets and Accounting Advisory Services at PricewaterhouseCoopers LLP from February 2012 to June 2015. He is a registered Certified Public Accountant and a Canadian Chartered Professional Accountant.

Valerie Pompa , , , Executive Vice President, Operations

Valerie Pompa has served as Executive Vice President, Operations of the Company since March 2023. Prior to then, she served as Senior Vice President, Refining Operations of HF Sinclair Refining & Marketing LLC, a subsidiary of the Company, from October 2020 to April 2023. Prior to joining HF Sinclair Refining & Marketing LLC, Ms. Pompa provided customized leadership and business consulting services to clients in many industries, including energy, as the owner and CEO of VAP Business Solutions Limited from April 2018 to October 2020. Ms. Pompa also served as Chief Operating Officer of ATS Industrial, from April 2018 to October 2020. Prior to then, she held several leadership roles in the areas of process engineering, production planning and optimization, reliability, production management and innovation during her 17 years with Flint Hills Resources, LP, including having served as Vice President and Manufacturing Manager of the Corpus Christi Refinery from October 2012 to March 2017 and Vice President, Innovation and Technology from February 2017 to March 2018.

Steven C. Ledbetter , , , Executive Vice President, Commercial

Steven C. Ledbetter has served as Executive Vice President, Commercial of the Company since March 2023. Prior to the joining the Company, Mr. Ledbetter served as Director, President and Chief Executive Officer of Shell Midstream Partners GP LLC, the general partner of Shell Midstream Partners, L.P., from March 2021 to March 2023, where he was responsible for the vision, strategy and execution of the Shell Midstream business. Prior to then, he served as Vice President, Commercial of Shell Midstream from April 2018 to March 2021, where he was responsible for business development, joint ventures, oil movements and portfolio activity. Prior to then, Mr. Ledbetter served as the President and Chief Executive Officer of Jiffy Lube International from October 2013 to February 2018, a wholly owned subsidiary of Shell, where he was responsible for the vision, strategy, growth and profitability of the Jiffy Lube brand and network. He first joined Shell in 1999 and held various roles of increasing responsibility in the areas of finance, commercial deal structuring, operations management, strategy and business transformation during his 24 years at Shell.

Eric L. Nitcher , , , Executive Vice President, General Counsel

Eric L. Nitcher has served as Executive Vice President, General Counsel of the Company since July 2024. He previously served as Group General Counsel & Executive Vice President, Legal of BP p.l.c., from January 2017 until his retirement in December 2023, where he was responsible for supporting the BP p.l.c. executive team and board and managed a global legal team supporting a broad range of complex matters. Mr. Nitcher began his career as a litigation and regulatory lawyer in Wichita, Kansas. He first joined BP p.l.c., then Amoco, in 1990 and held various roles of increasing responsibility in the areas of litigation, regulatory compliance, global resolution of civil, criminal and regulatory claims and investigations, resolution of high-profile corporate disputes, negotiation of large-scale M&A transactions and formation of, and ongoing support for, international joint ventures, during his 33 years at BP p.l.c.

Matt Joyce , , , Senior Vice President, Lubricants and Specialties

Mr. Joyce joined the lubricants and specialties segment of the Company in March 2023. Prior to joining, Mr. Joyce served in various leadership positions at The Lubrizol Corporation from 1995 to March 2023. During this time, Mr. Joyce held expatriate roles based in London and Tokyo, and most recently served as Vice President, Corporate Ventures from July 2020 to March 2023 and Vice President, Global Sales and Marketing, from June 2016 to June 2020.

Dale Kunneman , , , Senior Vice President and Chief Human Resources Officer

Mr. Kunneman has served as Senior Vice President and Chief Human Resources Officer of the Company since November 2021. He previously served as Vice President and Chief Human Resources Officer from April 2018 until November 2021. Prior to joining the Company, he was Executive Vice President of HR and Chief People & Culture Officer at Accudyne Industries. He also served in executive leadership roles in HR at Baker Hughes.

Franklin Myers , , , Operating Partner of Quantum Energy Partners and Chairperson of the Board of the Company

Director Since: 2011

Age: 73

Business Experience:

Mr. Myers has served as the Company’s Chief Executive Officer and President since February 2026, and as the Chairperson of the Board of the Company since February 2019. He served as an Operating Partner of Quantum Energy Partners, a private equity firm, from 2024 to March 2026, and previously served as a Senior Advisor of Quantum Energy Partners since February 2013. Mr. Myers served as an operating advisor to Paine & Partners, LLC, a private equity firm, from 2009 through 2012 and as Senior Advisor to Cameron International Corporation, a publicly traded provider of flow equipment products, from 2008 until 2009. He served Cameron in various other capacities, including as Senior Vice President and Chief Financial Officer from 2003 through 2008, President of Cameron’s compression business from 1998 through 2001 and Senior Vice President and General Counsel from 1995 through 1999. In addition, Mr. Myers served as Senior Vice President and General Counsel of Baker Hughes Incorporated from 1988 through 1995 and as an associate and then a partner at Fulbright & Jaworski (now Norton Rose Fulbright) from 1978 through 1988.

Additional Directorships:

Mr. Myers currently serves as a director of Comfort Systems USA, Inc. Mr. Myers served as a director of Frontier Oil Corporation from 2009 until the merger of Frontier Oil Corporation and Holly Corporation in July 2011.

Anne-Marie N. Ainsworth , , , Former President and Chief Executive Officer of the general partner of Oiltanking Partners, L.P. and of Oiltanking Holding Americas, Inc.

Director Since:

2017

Age: 69

Business Experience:

Ms. Ainsworth served as President and Chief Executive Officer of the general partner of Oiltanking Partners, L.P. and of Oiltanking Holding Americas, Inc., companies engaged in the terminaling, storage and transportation by pipeline of crude oil, refined petroleum products and liquefied petroleum gas, from 2012 until her retirement in 2014, Senior Vice President, Manufacturing of Sunoco Inc. from 2009 to 2012, and General Manager of the Motiva Enterprises, LLC Norco, Louisiana Refinery from 2006 to 2009. Prior to joining Motiva, Ms. Ainsworth served in various capacities at Royal Dutch Shell. Ms. Ainsworth is a graduate of the Institute of Corporate Directors Education Program (Rotman School of Management, University of Toronto and Haskayne School of Business, University of Calgary) and holds the ICD.D. designation.

Additional Directorships:

Ms. Ainsworth currently serves as a director of Pembina Pipeline Corporation, Archrock, Inc. and Kirby Corporation.

Anna C. Catalano , , , Former Group Vice President, Marketing, for BP plc

Director Since:

2017

Age: 66

Business Experience:

Ms. Catalano served in various capacities for BP plc, and its predecessor Amoco Corporation, from 1979 until her retirement in 2003, including as Group Vice President, Marketing, for BP plc from 2000 to 2003 and as SVP, Sales Operations from 1996 to 1999. During her executive career, Ms. Catalano had extensive experience in downstream retail marketing, and as SVP, Sales Operations was responsible for Amoco’s portfolio of retail facilities across the U.S., including direct and distributor channels and product terminal operations.

Additional Directorships:

Ms. Catalano currently serves as a director of Ecovyst Inc. and Frontdoor, Inc. She served as a director at Kraton Corporation from 2011 until March 2022 and Willis Towers Watson plc (having previously served as a director of Willis Group from 2006 until the merger of Willis Group and Towers Watson & Co. in 2016) until June 2022.

Leldon Echols , , , Former Executive Vice President and Chief Financial Officer of Centex Corporation

Director Since: 2009

Lead Independent Director

Age: 70

Business Experience:

Mr. Echols served as Executive Vice President and Chief Financial Officer of Centex Corporation from 2000 until his retirement in 2006. Before joining Centex, Mr. Echols held various positions, including managing partner, at Arthur Andersen LLP from 1978 until 2000.

Additional Directorships:

Mr. Echols currently serves as a director of Trinity Industries, Inc. He served as a director of EnLink Midstream Manager, LLC, the managing member of EnLink Midstream, LLC until its acquisition by ONEOK, Inc. in January 2025.

Manuel J. Fernandez , , , Former Managing Partner of KPMG’s Dallas office

Director Since: 2020

Age: 64

Business Experience:

Mr. Fernandez joined KPMG LLP in 1984 and served in a number of leadership positions until his retirement in September 2020, including most recently as Managing Partner of the Dallas office and market leader for KPMG’s Southwest region across audit, tax and consulting services from October 2009 to September 2020. During his career at KPMG, he also served as National Managing Partner for Talent Acquisition, member of the National Inclusion and Diversity Board, and as Co-Chair of the National Hispanic/Latino employee resource group.

Additional Directorships:

Mr. Fernandez currently serves as a director of Jacobs Solutions Inc.  

Timothy Go , , , Former Chief Executive Officer and President of the Company (On Voluntary Leave of Absence, effective as of February 17, 2026)

Director Since: 2023

Age: 59

Business Experience:

Mr. Go served as Chief Executive Officer and President from May 2023 until February 2026. He previously served as Chief Operating Officer from November 2021 to May 2023 and as Executive Vice President from June 2020 to November 2021. Prior to joining the Company, he served as Chief Executive Officer of the general partner of Calumet Specialty Products Partners, L.P. 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 through September 20I5. Mr. Go served as Managing Director, Operations Excellence from August 2008 to June 2011 of Koch Industries, Inc. Prior to joining Koch Industries, Mr. Go held various roles of increasing responsibility in downstream operations during his 18 years at ExxonMobil Corporation.

Rhoman J. Hardy , , , Former Senior Vice President, Shell Chemicals and Products, U.S. Gulf Coast, Shell USA, Inc.

Director Since: 2022

Age: 57

Business Experience:

Mr. Hardy founded Hardline Consulting LLC in July 2022, providing expertise in strategy and leadership to companies focused on energy, technical services and infrastructure. Prior to then, he served in various leadership positions with Shell USA, Inc., having most recently served as Senior Vice President, Shell Chemicals and Products, for the U.S. Gulf Coast, from December 2018 until his retirement in May 2022 and General Manager, Shell Geismar Chemical Site from June 2015 to December 2018. Mr. Hardy first joined Shell in 1988.

Additional Directorships:

Mr. Hardy currently serves as a director of Comfort Systems USA, Inc.  

Jeanne Johns , , , Former Chief Executive Officer and Managing Director of Incitec Pivot Ltd.

Director Since: 2024

Age: 63

Business Experience:

Ms. Johns served as Chief Executive Officer and as a Managing Director of Incitec Pivot Ltd., an Australian listed multinational manufacturer and distributor of fertilizers, civil explosives and chemicals, from November 2017 until June 2023. Prior to joining Incitec, Ms. Johns held several executive leadership roles in the U.S., UK/Europe and Asia/China during her 30 years with BP plc, including serving as Head of Safety & Operational Risk, Downstream from 2011 until 2015, Head of BP Group Operating Management System Excellence from 2013 until 2015, President, Asian Olefins and Derivatives from 2008 until 2010, President, BP North America Natural Gas Liquids from 2004 until 2007, Technical Vice President of Health, Safety & Environmental, Manufacturing Excellence, Engineering and Projects, Global Petrochemicals from 2002 until 2003, and Refinery Manager and Business Unit Leader, Toledo Refinery from 1999 until 2001.

Additional Directorships:

Ms. Johns currently serves as a director of Worley Limited. She previously served on the board of directors of Incitec Pivot Ltd. from November 2017 until June 2023 in conjunction with her Chief Executive Officer position.

R. Craig Knocke , , , Director of Turtle Creek Trust Company, Chief Investment Manager and Portfolio Manager of Turtle Creek Management, LLC, Principal and a non-controlling manager and member of TCTC Holdings, LLC

Director Since: 2019

Age: 56

Business Experience:

Mr. Knocke is a co-founder and a Director of Turtle Creek Trust Company, a private trust and investment management firm, since 2009. He currently serves as the Chief Investment Officer and has served as a Portfolio Manager at Turtle Creek Management, LLC, a registered investment advisory firm based in Dallas, Texas, since 2007. Since 2009, Mr. Knocke has served as a Principal and a non-controlling manager and member of TCTC Holdings, LLC (“TCTC”), a bank holding company that is a banking, securities, and investment management firm. He previously held positions as a Vice President and Portfolio Manager at Brown Brothers Harriman & Co., as well as positions at Salomon Brothers and Texas Instruments.

Robert J. Kostelnik , , , Principal at Glenrock Recovery Partners, LLC

Director Since: 2011

Age: 74

Business Experience:

Mr. Kostelnik has served as a principal of Glenrock Recovery Partners since January 2012. Glenrock Recovery Partners assists energy, pipeline, and terminal companies with maximizing the value of non-fungible liquid hydrocarbons, and provides health, safety and environmental compliance and project management consulting services. Mr. Kostelnik served as the President and Chief Executive Officer of Cinatra Clean Technologies, Inc. from 2008 thru 2011. Cinatra provides tank cleaning systems to refining pipelines and terminals. Prior to his retirement in 2007, Mr. Kostelnik served in a number of senior positions during his 16 years with CITGO Petroleum Corporation, including as Vice President of Refining. During that time, Mr. Kostelnik was responsible for, among other things, the creation & implementation of the Health, Safety & Environmental Management System as well as environmental compliance and improvement. CITGO is engaged in the refining and marketing of petro-chemical products.

Additional Directorships:

Mr. Kostelnik served as a director of Methanex Corporation from 2008 until May 2025. He served as a director of Frontier Oil Corporation from 2010 until the merger of Frontier Oil Corporation with Holly Corporation in July 2011.


Ross B. Matthews , , , Chair of the Board of Directors of REH Advisors Inc. (now the parent of REH Company, LLC (formerly known as The Sinclair Companies))

Director Since: 2022

Age: 71

Business Experience:

Mr. Matthews has served as the Chair of the Board of Directors of REH Advisors Inc. (“REH Advisors”, and together with its subsidiary, REH Company, LLC, “REH”) since April 2025. He previously served as the Chief Operating Officer of REH from March 2022 until April 2025 and served as the Chairman and Chief Executive Officer of Sinclair Oil LLC (formerly known as Sinclair Oil Corporation), which was comprised of the refining, marketing and renewables business the Company acquired from The Sinclair Companies, from October 2009 until March 2022. Mr. Matthews joined Sinclair Oil in June 2000, initially serving as Vice President of Exploration and Production.

Additional Directorships:

Mr. Matthews served as a director of Sinclair Oil from January 2006 until March 2022.  

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