S.P. “Chip” Johnson

President and Chief Executive Officer

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.