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Company

Board of Directors

Paul L. Foster

Chairman

Paul L. Foster is the Chairman of the board of directors of our general partner. He had previously served as a director of our general partner since November 2013. Mr. Foster is currently the executive chairman of Western Refining, Inc., a publicly-traded refining and marketing company, and has served as its chairman of the board since September 2005. Previously, Mr. Foster served as Western Refining’s chief executive officer from September 2005 to January 2010, its president from September 2005 to February 2009, and as president of one of its affiliates since 1997. Mr. Foster also serves as chairman of the board of the general partner of Western Refining Logistics, LP, a publicly-traded master limited partnership; as chairman of the University of Texas System Board of Regents; as a director of WestStar Bank, an El Paso-based bank; as a director of Vomaris Innovations, Inc., a privately held medical device company; as a member of the board of managers of Jordan Foster Construction, LLC, a Texas based privately owned construction firm; and on various other civic and professional organizations. Mr. Foster has spent virtually his entire career working in the refined product production and marketing industry.

Lowry Barfield

Director

Lowry Barfield has served as a director of our general partner since November 2013. Mr. Barfield is currently the senior vice president – legal, general counsel and secretary of Western Refining, Inc., a publicly-traded refining and marketing company, and of the general partner of Western Refining Logistics, LP, a publicly-traded master limited partnership. Previously, he served as vice president – legal, general counsel and secretary of Western Refining from 2005 to 2007. Mr. Barfield has represented Western Refining and its affiliates in various legal capacities since 1999, as well as other large manufacturing and business clients since 1984, both at his own law firm and as a partner in several national firms. From 1982 to 1984, Mr. Barfield served as a law clerk to Federal District Judge Norman W. Black in Houston, Texas.

Tim Bennett

Director

Timothy Bennett has served as a director of our general partner since January 2014. Since June 30, 2009, Mr. Bennett has been retired. Mr. Bennett served as executive vice president of CIT Group, Inc. a financial services company, from March 1999 to June 30, 2009. Mr. Bennett worked at several commercial finance companies from 1980 through 1985. In 1986, he joined CIT Group. Over his tenure at CIT Group, Mr. Bennett oversaw the risk management of all of CIT’s commercial finance units, including Transportation, Project Financing, Energy, Telecommunications, Healthcare, and Asset-Based financing.

Rocky Duckworth

Director

Rocky Duckworth has served as a director of our general partner since May 2013. Since October 2010, Mr. Duckworth has been retired and a private investor. Mr. Duckworth is a former partner of KPMG LLP, who retired from KPMG after more than 38 years including more than 29 years as a partner. Mr. Duckworth became a KPMG partner in 1981, partner in-charge of the audit practice in Oklahoma City in 1984, and he was the Managing Partner of the Oklahoma City office from 1987 to 2000 when he relocated to the Houston office to serve global energy clients and as the energy industry leader of the audit practice. Mr. Duckworth served as the lead audit engagement partner on large, multi-national clients operating in different segments of the energy industry including upstream oil and gas exploration and production companies, energy marketing and trading companies, and merchant independent power producers and retail power providers. Mr. Duckworth is a member of the Texas State Board of Public Accountancy. Mr. Duckworth is also a member of the board of directors and audit committee of Magnum Hunter Resources Corporation, a Houston-based oil, natural gas and natural gas liquids exploration and production company. He has a Bachelor of Science degree with honors in accounting from Oklahoma State University and is a certified public accountant.

Thomas Hofmann

Director

Thomas Hofmann has served as a director of our general partner since June 2012 and of Northern Tier Energy LLC since May 2011. Since December 2008, Mr. Hofmann has been retired. Mr. Hofmann served as senior vice president and chief financial officer of Sunoco, Inc., an oil refining and marketing company, from January 2002 to December 2008. Mr. Hofmann also serves as a director of West Pharmaceuticals Services, Inc. and a director of the general partner of Penn Virginia Resource Partners, L.P. In the last five years, he has also served on the board of directors of the general partner of Sunoco Logistics Partners, L.P. and VIASYS Healthcare Inc.

David L. Lamp

Director

Mr. Lamp has served as the President and CEO of our general partner since March 2014. He has served as a director of our general partner since April 2014. Mr. Lamp has 34 years of experience in the petroleum refining industry, including technical, operations, commercial and senior management endeavors. Mr. Lamp previously served as the Senior Vice President and Chief Operating Officer for HollyFrontier Corporation and held a variety of senior management positions with Holly Corporation, including President. He was a key executive in the merger between Holly Corporation and Frontier Corporation and completed the integration of the two companies in 2011. He has many other accomplishments to his name. He completed the acquisitions of the Sunoco and Sinclair Tulsa refineries in 2009 and led the integration of the two plants. He also sold Montana Refining Company and assisted in the creation and IPO of Holly Energy Partners. He currently serves as Chairman of the American Fuel & Petrochemical Manufacturers Association, which is the industry trade for the refining and petrochemical industry.

Dan F. Smith

Director

Dan F. Smith served as Executive Chairman of the Board of Directors of our general partner from December 2012 through January 2014 and previously served as Chairman of the Board of Directors of our general partner from November 2011 to December 2012. Mr. Smith has served as a director of our general partner since June 2012 and of Northern Tier Energy LLC since May 2011. Mr. Smith is the former chairman, president and chief executive officer of Lyondell Chemical Company. He began his career with ARCO (Atlantic Richfield Company) in 1968 as an engineer. He was elected president of Lyondell Chemical Company in August 1994, chief executive officer in December 1996, and chairman of the board of directors in May 2007. Mr. Smith retired in December 2007 from Lyondell Chemical Company following the acquisition of Lyondell by Basell. Mr. Smith also served as Chief Executive Officer of Equistar Chemicals, LP from December 1997 through December 2007 and as Chief Executive Officer of Millennium Chemicals Inc. from November 2004 until December 2007. Equistar and Millennium are wholly-owned subsidiaries of Lyondell. Mr. Smith is a director of Kraton Performance Polymers, Inc., Chairman and a director of Valerus Compression Services, L.P., and Chairman and a director of Nexeo Solutions, LLC. He also serves as a member of the College of Engineering Advisory Council at Lamar University. Mr. Smith is a graduate of Lamar University with a B.S. degree in Chemical Engineering.

Jeff A. Stevens

Director

Jeff A. Stevens has served as a director of our general partner since November 2013. Mr. Stevens is currently the President and Chief Executive Officer of Western Refining, Inc., a publicly-traded refining and marketing company, and of the general partner of Western Refining Logistics, LP, a publicly-traded master limited partnership. Mr. Stevens has served on the boards of directors of Western Refining since September 2005 and of Western Refining Logistics’ general partner since October 2013. Previously, Mr. Stevens served as Western Refining’s president since February 2009, its chief operating officer since April 2008, its executive vice president since September 2005 and as executive vice president of one of its affiliates since 2000. Mr. Stevens also serves on the board of directors of Vomaris Innovations, Inc., a privately held medical device company. Mr. Stevens has spent his entire career working in the refined product production and marketing industry.

Scott D. Weaver

Director

Scott D. Weaver has served as a director of our general partner since November 2013. Mr. Weaver is currently the Vice President, Assistant Treasurer and Assistant Secretary of Western Refining, Inc., a publicly-traded refining and marketing company, and has served on its board of directors since September 2005. Previously, Mr. Weaver served as an executive officer of Western Refining in various capacities, including as its interim Treasurer from September 2009 to January 2010, its Chief Administrative Officer from September 2005 to December 2007, and as Chief Financial Officer of one of its affiliates from 2000 to August 2005. Mr. Weaver currently serves on the boards of directors of the general partner of Western Refining Logistics, LP, a publicly-traded master limited partnership; Encore Wire Corporation, a publicly-traded copper wire manufacturing company; WIG Holdings, Inc., a privately held insurance holding company; Vomaris Innovations, Inc., a privately held medical device company, and as a member of the board of managers of Jordan Foster Construction, LLC, a Texas based privately owned construction firm.