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Executive Team 
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Bill Klesse

Chairman of the Board and CEO 

Bill Klesse serves as Chairman of the Board and Chief Executive Officer of Valero Energy Corporation.

Klesse began his 40-year career in refining as an engineering trainee with Diamond Shamrock before accepting a position as a junior process engineer at the McKee Refinery. He quickly rose to various managerial positions in engineering, petrochemical feedstocks, planning and development, and marketing before being named Vice President of Logistics and Strategy of an R&M unit in 1982. In 1984, he was named Director of Corporate Development at Diamond Shamrock's Dallas office and, subsequently, Vice President. In 1987, he relocated to Diamond Shamrock's San Antonio office as an Executive Vice President. After the 1996 merger of Ultramar Corp. and Diamond Shamrock, forming Ultramar Diamond Shamrock (UDS), Klesse served as Executive Vice President of the company’s refining operations.

After Valero acquired UDS in 2001, Klesse served as Executive Vice President of Refining and Commercial Operations. In 2003, he was named Valero’s Executive Vice President and Chief Operating Officer. In 2006, Klesse became CEO, and in 2007, Chairman of the Board.

Klesse holds a Bachelor of Science degree in chemical engineering from the University of Dayton, and a Master of Business Administration degree in finance from West Texas A&M University.

Joe Gorder


President and Chief Operating Officer

Joe Gorder is President and Chief Operating Officer, responsible for refining operations and commercial operations in marketing, supply and transportation.

He previously was Chief Commercial Officer and President of Valero Europe. He oversaw all commercial trading and related activity for the company, including Crude and Feedstock Supply and Trading, Products Supply and Trading, Wholesale Marketing, Logistics Operations, Commercial Business Development, Transportation and Specialty Products Marketing. In addition, he was responsible for all business activity and operations of Valero’s assets in the United Kingdom and Ireland.

Gorder also has served as Valero’s Executive Vice President-Marketing and Supply, following tenure as Senior Vice President for Corporate Development and Strategic Planning. He also serves as Executive Committee member of the American Fuel & Petrochemical Manufacturers (AFPM).

Before joining Valero, he held the positions of Vice President of Business Development for Ultramar Diamond Shamrock, and Director of Commercial/Industrial Sales, Assistant Treasurer and Director of Information Systems for Diamond Shamrock.

Gorder earned a bachelor’s degree in business administration from the University of Missouri-St. Louis and a master’s degree in business administration from Our Lady of the Lake University.

Mike Ciskowski

Executive Vice President and Chief Financial Officer

Mike Ciskowski serves as Executive Vice President and Chief Financial Officer with responsibility for Treasury, Finance, Accounting, Internal Audit, Trading Controls, Insurance and Information Services.

During his 23 years with the company, Ciskowski has held many different positions in the financial planning and the business and corporate development areas of the company, including Investor Relations Director, Financial Planning Director and Manager of Financial Planning.

While leading the Corporate Development Department, Ciskowski oversaw a string of very successful acquisitions including the purchases of the Benicia Refinery, Corpus Christi East Refinery, Huntway Refining Co., UDS and the St. Charles Refinery. He has helped Valero earn a reputation for making very successful acquisitions, conducting smooth transitions and closing those transactions in record time.

Prior to joining Valero, he worked for Williams Exploration Co. and Getty Oil Co. in finance and planning. He earned a Bachelor of Business Administration and Master of Business Administration degrees in finance from Central State University in Oklahoma.

Gene Edwards

Executive Vice President and Chief Development Officer

Gene Edwards is Executive Vice President and Chief Development Officer, with responsibility over domestic and international corporate development, alternative energy, market analysis and strategic planning.

Edwards has been with the company for more than 25 years and has held positions of increasing responsibility as a manager in several areas, including Planning and Economics, Refinery Operations, Business Development and Marketing.

Prior to joining Valero, Edwards consulted on refinery economics for Pace Consultants. He started his career as a Process Engineer for CITGO. Edwards earned a Bachelor of Science degree in chemical engineering from Tulane University and a Master of Business Administration degree from the University of Texas at San Antonio.

Gary Arthur Jr.

Corporate Senior Vice President of Wholesale Marketing and Product Supply

Gary Arthur serves as Corporate Senior Vice President of Wholesale Marketing and Product Supply. He has led numerous initiatives to improve the company’s supply, marketing and transportation business activities since joining Valero in 2000 as Vice President of Marketing, Supply & Transportation.

Prior to joining Valero, Arthur worked for Colonial Group as Vice President of Supply and Distribution. He has extensive commercial and managerial experience, working nearly 20 years for Ashland Oil, where he served in a variety of increasingly responsible management positions in Marketing, Supply, Trading, Distribution and Business Operations.

Actively involved in community activities, Arthur has served on the Board of Directors of St. Peter-St. Joseph Children’s Home and currently serves on the Board and Executive Committee of the San Antonio Sports Foundation. He is active in United Way of San Antonio and Bexar County campaign leadership and serves on the United Way Marketing Advisory Committee.

Arthur holds a bachelor’s degree in business administration from the University of Kentucky and a master’s degree in business administration from Morehead State University. He and his wife, Sheila, live in San Antonio and have two children.

Jay Browning

Corporate Senior Vice President and General Counsel

Jay Browning is Senior Vice President and General Counsel, with responsibility for the company's legal department and corporate governance.

Since he joined Valero in 1993, Browning has provided legal counsel on the company’s numerous transactions, assured compliance with securities laws and provided legal counsel to the board of directors and principal officers.

His prior experience includes positions as an Associate in the Corporate & Securities division of Akin, Gump, Strauss, Hauer & Feld LLP in San Antonio, and as an attorney in the Corporate/Transactional division of Baker & Botts LLP in Austin, Texas.

Browning earned his Bachelor of Business Administration degree in finance, a Master of Business Administration degree and a Juris Doctorate from Texas Tech University.

Mike Crownover

Corporate Senior Vice President-Human Resources

Mike Crownover has served as Valero's Senior Vice President of Human Resources since May 2002. Since joining the company in 1997, he has been an integral part of Valero's leadership team. He has served as Corporate Compensation Manager, Corporate Human Resources Manager, Corporate Human Resources Director, and Executive Director Employee Relations and Retail HR.

Prior to joining Valero, Crownover served as Human Resources Manager for Halliburton Energy Services.

Crownover earned his bachelor's degree in accounting from the University of Texas at Arlington.

During his tenure with Valero Human Resources, the company has consistently been recognized as one of Fortune magazine's "100 Best Companies to Work For," and has been recognized as the No. 1 "Best Big Company to Work For."

Eric Fisher

President-Europe

Eric Fisher serves as President-Europe. Previously, he served as Vice President-Investor and Corporate Communications where he managed the Investor Relations, Corporate Communications, Community Relations, Advertising and Corporate Sponsorship departments.

He also served as Vice President of Investor Relations, where he developed strong communications programs for Valero investors. These programs were particularly beneficial during Valero's aggressive growth period because they helped investors understand the complexities of deals like Valero's $8 billion purchase of Premcor Inc.

Fisher began his career with Valero in 1997, when he joined Valero’s Corporate Law Department. In 1999, he moved to Investor Relations, and in 2004 was named Vice President of Investor Relations.

Prior to joining Valero, Fisher worked for the law firm of Fulbright & Jaworski. Earlier in his career, he worked as an operations accountant for Exxon Corp. Fisher earned his undergraduate degree in economics from Texas A&M University and his Juris Doctorate from the University of Texas School of Law.

Jim Gillingham
Corporate Senior Vice President, Specialty Products

Prior to his current position, Gillingham was Senior Vice President-Alternative Energy and Project Development, with responsibility over alternative energy and biofuels project development, including Valero Renewable Fuels Company LLC, or Valero Renewables.
Gillingham is an experienced manager of petroleum refinery operations, technology, maintenance and engineering. He has been with the company since 1985 and has served in many key roles. Gillingham began his career at Valero as a Refinery Superintendent at the Three Rivers Refinery and subsequently held various positions including General Manager-Process Engineering, Director of Petrochemicals Development, Plant Manager positions at the Denver, McKee and Port Arthur refineries, and Vice President of Regional Refinery Operations before being promoted to Senior Vice President-Alternative Energy and Project Development in 2008. Since then, Gillingham has been instrumental in the acquisition of 10 ethanol plants and the development of alternative energy initiatives.

Gillingham earned both bachelor’s and master’s degrees in chemical engineering from Rice University in Houston. He and his wife, Carol, live in San Antonio and have three children.
Lane Riggs
Corporate Senior Vice President-Refining Operations
 
Lane Riggs serves as Senior Vice President-Refining Operations. He has been with the company since 1989 and has served in many leadership positions. He began his career at Valero as a Process Engineer at the McKee Refinery and subsequently held management positions including General Manager-Process Engineering, Director-Supply & Optimization, Vice President-Refinery Planning & Economics, and Senior Vice President-Crude, Feedstock Supply & Trading before being promoted to his current position of subsidiary Senior Vice President-Refining Operations where he oversees the operations of all Valero refineries. 
 
Riggs earned his Bachelor of Science degree in chemical engineering from the University of Oklahoma and his Master of Business Administration degree with an emphasis in finance and economics from West Texas A&M University.
Martin Parrish
Corporate Vice President, Alternative Energy and Project Development
 
Martin Parrish is Vice President, Alternative Energy and Project Development.
 
Parrish joined Valero in 2000 as a Capital Projects Director at Valero’s headquarters in San Antonio and has subsequently served in a number of key positions including Operations Director at the Bill Greehey Refinery, Vice President & General Manager of the Three Rivers Refinery, Vice President & General Manager of the Aruba Refinery, and Vice President-Regional Refinery Operations, and Vice President-Crude, Feedstock Supply & Trading before assuming his current position as Vice President-Alternative Energy and Project Development. In his current position, Parrish oversees Valero's ethanol plants and the development of alternative energy investments.   
 
Prior to joining Valero, Martin worked at ARCO and CITGO. Parrish has a Bachelor of Science degree in chemical engineering from Purdue University.
Mark Schmeltekopf

Corporate Vice President and Controller

Mark Schmeltekopf serves as Corporate Vice President and Controller, with responsibility for the company’s accounting, budgeting, forecasting and profit-planning procedures, as well as financial statements and reporting, and corporate tax functions.

Schmeltekopf joined Valero in 2003 as Executive Director of External Reporting. Soon thereafter, Mark was promoted to Assistant Controller, and ultimately, Senior Vice President of Accounting, in 2012.

Schmeltekopf graduated Magna Cum Laude with a Bachelor of Business Administration degree from Texas State University in 1987.

Gary Simmons
Corporate Vice President Crude, Feedstock, Supply and Trading
 
Gary Simmons is Vice President Crude, Feedstock, Supply and Trading.
 
Simmons joined Valero in 1987 and began his career as a Process Engineer at the Ardmore Refinery and held many leadership positions including Executive Director-Regional Development, Vice President & General Manager of the Ardmore Refinery, Vice President & General Manager of the St. Charles Refinery, and Vice President Planning & Economics before being promoted to his current position of Vice President of Crude, Feedstock, Supply and Trading. In his current position, Simmons directs the supply, trading and hedging activities for supply of crude oil at all Valero refineries.
 
Simmons has a Bachelor of Science degree in chemical engineering from the University of Oklahoma and a Master of Business Administration degree from University of Texas at San Antonio.
Cheryl Thomas
Corporate Vice President-Information Services and Chief Information Officer
 
Cheryl Thomas serves as Corporate Vice President-Information Services and Chief Information Officer, with responsibility for the company’s information services network and related technology.

Thomas has served Valero and its predecessor since 1984. She previously served as Senior Vice President-Information Services for Valero, managing the company’s Information Systems Development, Support and Infrastructure teams. Prior to that role, Thomas served as Vice President of Retail Operations Support and Vice President of Retail Information Systems. She has played a key role in restructuring Valero’s Information Services Department and integrating recently acquired assets into Valero’s complex systems.

Thomas earned a business administration degree in quantitative analysis from California State University-Fresno in 1983, graduating Magna Cum Laude.
Donna Titzman

Corporate Senior Vice President and Treasurer

Donna Titzman serves as Senior Vice President and Treasurer and has overall responsibility for the company’s banking, cash management, customer credit and investment management areas. Titzman joined Valero in 1986 as an accountant in the Natural Gas Liquids area.

In 1989, she transferred to the Finance Department and held several positions before being appointed Vice President and Treasurer in 1999. Titzman is a Certified Public Accountant and earned a Bachelor of Business Administration degree in accounting from the University of Texas at Austin.