Dr. Ralph Gillcrist

Chief Executive Officer & President

Dr. Ralph Gillcrist is an accomplished oil and gas executive with proven leadership and business experience in Latin America. Dr. Gillcrist has over 28 years of experience in international oil and gas and has held various executive, technical, managerial and operating roles throughout Europe, Africa, Southeast Asia and South America for a number of international oil and gas companies. Dr. Gillcrist more recently served as Chief Executive Officer of Petroamerica Oil Corp. and is also an independent director at Madalena Energy Inc.

Alan Aitchison

Chief Operating Officer & Colombia Country Manager

Mr. Alan Aitchison has over 30 years of corporate and resident in-country international experience throughout the world, predominantly in Latin America. Recently he served as Chief Operating Officer and as an in-country manager in Colombia for PetroGranada. Mr. Aitchison also spent 10 years in a variety of roles at Schlumberger, including Vice President of Production and prior to that held numerous technical and management roles that covered all aspects of facilities, production operations and evaluation of production and exploration wells.

Gregg Vernon

Vice-President of Asset Management

Mr. Gregg K. Vernon was the founding President of Petro Andina Resources Inc. and a founder and Chairman of Prospero Hydrocarbons Inc., private companies which operated in Argentina and Colombia, and interim Chief Executive Officer and Chief Operating Officer of PetroMagdalena Energy Corp., a public company that was listed on the TSX-V with operations in Colombia. Mr. Vernon is a designated professional engineer with over 38 years in the petroleum industry, with expertise in international operations, reservoir characterization, negotiations, and project management, including managing and administrating major projects in Argentina, Colombia, China, and offshore Eastern Canada. He was the China General Manager as well as Engineering and Project Administration Manager on the White Rose FPSO offshore project for Husky Energy. He was also the Vice President, Chief Operating Officer and Director of Netherfield Energy Corporation operating in Argentina.

Chris Reid

Chief Financial Officer

Mr. Reid was Interim President and Chief Executive Officer of Petrodorado Energy Ltd. (“Petrodorado”) since February 2015, and was appointed formally to such position in January 2016, where he led the turnaround of the company through a divestiture program, resulting in a market capitalization increase of approximately 400%. Mr. Reid was Chief Financial Officer of Petrodorado from January 2012 to January 2016 and, prior thereto, the controller of Petrodorado from July 2011 to January 2012. Mr. Reid was a Manager with KPMG LLP Calgary from September 2005 to July 2011.

Rafael Orunesu

Vice-President Business Development & Argentina Country Manager

Mr. Rafael Orunesu was Co-founder of Gran Tierra where he served as Vice President, Latin America and Country Manager for Peru and Argentina. Prior to his position at Gran Tierra, he was Engineering Manager for Pluspetrol, responsible for planning and development operations in major oil and gas field developments in Peru. Mr. Orunesu has also been involved in numerous asset evaluations, purchases and divestments covering Latin America and North Africa.


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