Gary Guidry

President & CEO,
Gran Tierra Energy

Mr. Gary S. Guidry is Chief Executive Officer and President of the Gran Tierra Energy Inc. since May 7, 2015. Mr. Guidry was the Chief Executive Officer of Onza Energy Inc. from January 2014, until May 2015. From July 2011 to July 2014, Mr. Guidry served as President and Chief Executive Officer of Caracal Energy Inc. Mr. Guidry also served as President and CEO of Orion Oil & Gas Corp. from October 2009 to July 2011, Tanganyika Oil Corp. from May 2005 to January 2009, and Calpine Natural Gas Trust from October 2003 to February 2005. As chief executive officer of these companies, Mr. Guidry was responsible for overseeing all aspects of the respective company’s business. Mr. Guidry currently sits on the boards of Africa Oil Corp. (since April 2008) and Shamaran Petroleum Corp. (since February 2007), where he also serves as a member of each company’s Audit Committee. From September 2010 to October 2011, Mr. Guidry also served on the Board of Zodiac Exploration Corp., and from October 2009 to March 2014, he served on the board of TransGlobe Energy Corp. Prior to these positions, Mr. Guidry served as Senior Vice President and subsequently President of Alberta Energy Company International, and President and General Manager of Canadian Occidental Petroleum’s Nigerian operations. Mr. Guidry has directed exploration and production operations in Yemen, Syria and Egypt and has worked for oil and gas companies around the world in the U.S., Colombia, Ecuador, Venezuela, Argentina and Oman. Mr. Guidry is an Alberta-registered professional engineer (P. Eng.) and holds a B.Sc. in petroleum engineering from Texas A&M University.

United Kingdom

T: +44 20 7384 8056
Bedford House
69-71 Fulham High Street


T: +65 6590 3978
78 Shenton Way

Houston - USA

T: +1 713 353 4633
Two Allen Center, 1200 Smith Street, Floor 16, Suite 6061

Houston, TX, 77002


Lagos - Nigeria

T: +44 787 550 6366
No. 92 Oduduwa Crescent,
G.R.A., Ikeja
Lagos State

South Africa

+27 21 001 3884
Great Westerford
Corner Main Rd & Dean Street
Newlands 7700
Cape Town