Board of Directors

Steve Webster, Chairman of the Board of Directors

Portrait

Steve Webster, one of our co-founders, has been Chairman of our Board of Directors since June 1997 and a director since 1993. Mr. Webster has served as Co-Managing Partner of Avista Capital Partners, a private equity firm which invests in energy, healthcare and other industries, since he co-founded the firm in July 2005. From 2000 through June 2005, Mr Webster served as Chairman of Global Energy Partners, an affiliate of DLJ Merchant Banking and CSFB Private Equity. From 1988 through 1999, Mr. Webster was the CEO and President of R&B Falcon Corporation and Chairman and CEO of a predecessor corporation, Falcon Drilling Company, which he founded. Mr. Webster has been a founder or seed investor in other companies such as Grey Wolf and Hercules Offshore. He serves as Chairman of Basic Energy Services and a director of Hercules, ERA Group, Hi-Crush Partners LP and various private companies. He has been a Trust Manager of Camden Property Trust since its founding in 1993. Mr. Webster holds an MBA from Harvard Business School where he was a Baker Scholar and a BS and Honorary Doctorate from Purdue University.

S.P. “CHIP” Johnson, President and Chief Executive Officer

Portrait

S.P. “Chip” Johnson is a co-founder of Carrizo has served as our President and Chief Executive Officer and a director since December 1993. Prior to that, he worked for Shell Oil Company for 15 years, where his managerial positions included Operations Superintendent, Manager of Planning and Finance and Manager of Development Engineering. Mr. Johnson is also a director of Basic Energy Services, Inc., an oilfield service provider, and served as a director of Pinnacle Gas Resources, Inc., a coalbed methane exploration and production company, from 2003 to January 2011. Mr. Johnson is a Registered Petroleum Engineer and holds a B.S. in Mechanical Engineering from the University of Colorado.

Roger A. Ramsey, Managing Partner of Ramjet Capital Ltd.

Mr. Ramsey served as Managing Partner of Ramjet Capital Ltd., a private investment firm, from 1999 through January 2013. He served as the Chairman and Chief Executive Officer of MedServe, Inc., a privately held medical waste disposal and treatment company, from 2004 through December 2009. He served as Chairman of the Board of Allied Waste Industries, Inc., a waste recycling, transportation and disposal company, from October 1989 through his retirement in December 1998, and Chief Executive Officer of that company from October 1989 through July 1997. Beginning in 1960, Mr. Ramsey, a certified public accountant, was employed by the international accounting firm of Arthur Andersen LLP. In 1968, Mr. Ramsey co-founded Browning-Ferris Industries, Inc., a waste management company, and served as its Vice President and Chief Financial Officer until 1978. Mr. Ramsey also served as a director of WCA Waste Corporation, a waste management company, from June 2004 through March 2012 when the company was taken private. Mr. Ramsey is currently a member of the Board of Trustees at Texas Christian University.

F. Gardner Parker, Private Investor

Mr. Parker has been the Lead Independent Director of our Board of Directors since May 2012. Mr. Parker has been a private investor since 1984. Prior to that, he worked with Ernst & Ernst (now Ernst & Young LLP) for 14 years, seven of which he served as a partner. In the private sector, Mr. Parker is Chairman of the Board of Edge Resources Ltd, an Energy capital fund and Norton Ditto, a men’s clothing retailer. He is a graduate of The University of Texas at Austin and is board certified by the National Association of Corporate Directors. Mr. Parker is also a 2011 National Association of Corporate Directors (NACD) Board Leadership Fellow. He has demonstrated his commitment to boardroom excellence by completing NACD’s comprehensive program of study for experienced corporate directors-a rigorous suite of courses spanning leading practices for boards and committees- and he supplements his skill sets through ongoing engagement with the director community and access to leading practices.

Thomas L. Carter, Jr., Chairman and Chief Executive Officer Black Stone Minerals Company, L.P.

Mr. Carter has served as President, Chief Executive Officer and Chairman of the general partner of Black Stone Minerals, L.P., a publicly traded mineral acquisition and management company (“BSM”), since its formation in 2014. Mr. Carter is the founder of Black Stone Minerals Company, L.P. (“BSMC”), BSM’s predecessor, and has served as President, Chief Executive Officer and Chairman of its general partner since 1998. Mr. Carter served as Managing General Partner of W.T. Carter & Bro. from 1987 to 1992 and Black Stone Energy Company from 1980 to present, both of which preceded BSMC’s general partner. Mr. Carter founded Black Stone Energy Company, BSMC’s operating and exploration subsidiary, in 1980. From 1978 to 1980, Mr. Carter served as a lending officer in the Energy Department of Texas Commerce Bank in Houston, Texas, after serving in various other roles from 1975. He has served as a Trustee at Episcopal High School in Houston, Texas since 2004, and as a Trustee of St. Edward’s University since 2009. Mr. Carter has been a trustee of a nonprofit since 1998, and was elected to a four-year term as president of the board of trustees of the nonprofit in 2013. Mr. Carter also serves on the University of Texas at Austin Internal Audit Committee, the University Lands Advisory Board, and the Ripley Foundation board. Mr. Carter received M.B.A. and B.B.A. degrees from the University of Texas at Austin.

Frank A. Wojtek, President and Director of A-Texian Compressor, Inc.

Mr. Wojtek is currently the President and Director of A-Texian Compressor, Inc., a natural gas compression services company, and has served in various capacities with that company since July 2004. Mr. Wojtek served as our Chief Financial Officer, Vice President, Secretary and Treasurer from 1993 until August 2003. From 1992 to 1997, Mr. Wojtek was the Assistant to the Chairman of the Board of Reading & Bates Corporation, an offshore drilling company. Mr. Wojtek has also held the positions of Vice President, Secretary and Treasurer of Loyd & Associates, Inc., a private financial consulting firm, from 1989 to 2013. Mr. Wojtek held the positions of Vice President and Chief Financial Officer of Griffin-Alexander Drilling Company from 1984 to 1987, Treasurer of Chiles-Alexander International Inc. from 1987 to 1989, and Vice President and Chief Financial Officer of India Offshore Inc. from 1989 to 1992, all of which were companies in the offshore drilling industry. Mr. Wojtek holds a B.B.A. in Accounting with Honors from The University of Texas at Austin.

Robert F. Fulton, Private Investor

Mr. Fulton served as President and Chief Executive Officer of Frontier Drilling ASA, an offshore oil and gas drilling and production contractor, from September 2002 through July 2010. From December 2001 to August 2002, Mr. Fulton managed personal investments. Prior to December 2001, Mr. Fulton spent most of his business career in the energy service and contract drilling industry. He served as Executive Vice President and Chief Financial Officer of Merlin Offshore Holdings, Inc. from August 1999 until November 2001. From 1998 to June 1999, Mr. Fulton served as Executive Vice President of Finance for R&B Falcon Corporation, during which time he was instrumental in effecting the merger of Falcon Drilling Company with Reading & Bates Corporation to create R&B Falcon Corporation and the merger of R&B Falcon Corporation with Cliffs Drilling Company. He graduated with a B.S. degree in Accountancy from the University of Illinois and an M.B.A. in finance from Northwestern University.