Board of Directors

Michael Hibberd

Chairman, Independent Director

For over 21 years, Mr. Hibberd has been Chairman and CEO ‎of MJH Services Inc., a corporate finance advisory firm. Through MJH, Mr. Hibberd has been involved in numerous ‎privatization and development projects in North America, ‎Africa, the Middle East, Latin America and Asia. From 1983-‎‎1995, he was Senior Vice President and Director of Corporate ‎Finance for ScotiaMcLeod. He is currently Vice Chairman of ‎Sunshine Oilsands Ltd. and serves as board member of Pan ‎Orient Energy Corp. and PetroFrontier Corp. Formerly, he ‎was Chairman of Heritage Oil Plc and Heritage Oil ‎Corporation; and former director of Montana Exploration ‎Corp., Avalite Inc., Challenger Energy Corp., Deer ‎Creek ‎Energy, Iteration Energy Ltd., Rally Energy Corp., Sagres ‎Energy, Skope Energy Inc. and Zapata Energy ‎Corporation‎.

Ariel Merenstein

Independent Director

Mr. Merenstein is the Managing Partner and Portfolio ‎Manager of Fourth Sail Capital. Prior to founding Fourth Sail ‎in 2019, he spent eleven years at Prince Street Capital ‎Management, a global Emerging and Frontier markets fund, ‎where he was a Partner on the Research team and the ‎Portfolio Manager of the Prince Street Latin America ‎Long/Short fund. In addition to his PM responsibilities, Mr. ‎Merenstein oversaw the firm’s investments in Latin America, ‎and regularly reviewed global macroeconomics for the firm. ‎Prior to joining Prince Street, Mr. Merenstein worked at ‎Lehman Brothers and Bear Stearns. He is a magna cum laude ‎graduate of the New York University Stern School of ‎Business. He holds dual citizenship in Costa Rica, where he ‎was born, as well as the United States. Mr. Merenstein is ‎based in São Paulo, and is fluent in Spanish, Portuguese and ‎English‎.‎

Charle Gamba

President, CEO & Director

Mr. Gamba founded Canacol Energy Ltd. in 2008. He has held a variety of technical and management roles with major and mid-sized international oil companies, with the majority of his professional career focused on E&P in South America. Prior to creating Canacol, Mr. Gamba was Vice President of Exploration for Occidental Oil & Gas Company based in Bogota, Colombia. In his 8 years with Occidental, he has lived and worked in Ecuador, Qatar, Colombia, and the United States, working in a variety of technical and management roles. Mr. Gamba has also worked for Alberta Energy Company in Argentina and Ecuador, and for Canadian Occidental in Indonesia, Australia, and Canada. He started his career as a geologist with Imperial Oil in Calgary, and holds an MSc and PhD in Geology.

David Winter

Independent Director

Dr. Winter is the Chief Executive Officer and Director of each ‎of Horizon Petroleum Ltd. and Miramar ‎Hydrocarbons Ltd. ‎He was a co-founder of Canacol in 2008. Previously, Dr. ‎Winter was the ‎Founder, Chief Executive Officer and Director ‎of Excelsior Energy Limited, an oil sands focused ‎exploration ‎company. Dr. Winter brings 37 years of international ‎experience in a variety of ‎technical, management and ‎leadership roles living and working in Latin America, Middle ‎East, ‎Southeast Asia and the UK North Sea. His experience ‎was gained working at British Petroleum ‎working in China, ‎the UK North Sea, Indonesia and Australia, Sun Oil, Canadian ‎Occidental (now ‎Nexen) living and working in Yemen and ‎Indonesia, Alberta Energy Company (now EnCana) ‎where he ‎was a member of the leadership team that grew its ‎international business to over ‎‎60,000 barrels of oil equivalent per day, Calvalley ‎Petroleum and Excelsior Energy Limited. Dr. Winter holds a ‎Bachelor ‎of Science degree in Geology from the University a ‎London, a Master of Science degree in ‎Structural Geology ‎from Imperial College, University of London and PhD degree ‎in Structural ‎Geology from Edinburgh University‎.

Francisco Diaz

Independent Director

Mr. Diaz is currently the Managing Partner at Evolvere ‎Capital, a Private Equity firm that ‎manages various portfolio ‎companies in Colombia and Latin America and Spain, and he is also the Chairman of the Board and head of the Audit Committee of Systemgroup, a financial ‎services company which operates in seven Latin American countries and manages a loan ‎portfolio of over US$12 billion. Mr. Diaz was ‎previously the President ‎and CEO of Organización Corona (2004 to ‎2011), one of the ‎largest private groups in Colombia.

Prior to his ‎association ‎with Corona, he was with Monsanto Company in St. Louis, ‎MO (1991 to 2003) ‎where he held various executive positions ‎among them President of the Global Food ‎Ingredients ‎Division, Corporate Vice President of Global Strategy in ‎Chicago, IL and Vice ‎President and General Manager for ‎Latin America in Buenos Aires, Argentina. ‎Mr. Diaz ‎received a Bachelor of Science degree in Chemical ‎Engineering from Northeastern University ‎in Boston, MA and ‎has a Master of Science in Business Management from Arthur ‎D. Little ‎School of Management in Cambridge, MA. He is also ‎a graduate of the Advanced Executive ‎Management Program ‎from J. L. Kellogg Graduate School of Management of ‎Northwestern ‎University‎‎.

Gonzalo Fernández-Tinoco

Independent Director

Mr. Fernández-Tinoco is currently the director of Fundacion Venezuela Sin Limites, a non-profit organization; Corporation Digitel, a telecom company; Produvisa, a glass bottle manufacturer; Maritime Contractors de Venezuela, an oil drilling company; DP Delta Servicios, oil Services; Petrodelta, a joint venture; Delta Finance and Escuela Campo Alegre. Previously, Mr. Fernández-Tinoco served as General Manager of Microsoft Venezuela, Vice President of Telecel, a local partner for BellSouth; Farmahorro, Grupo Mistral, Televen, YPO y otros. Mr. Fernández-Tinoco received a degree in law from Universidad Católica Andrés Bello, UCAB; and study management at IESA.‎

Gregory Dale Elliott

Independent Director

Mr. Elliott is currently the President and Founder of ‎Workstrings International, a Superior Energy Services, Inc. ‎‎(NYSE-SPN) company.  Mr. Elliott started his career in 1981 at ‎Chevron serving in various engineering positions both ‎Domestic US and International through 1996.  He served as a ‎well test Engineer, frequently traveling to Africa, Europe and ‎Southeast Asia before joining Chevron’s International ‎Drilling team in 1989 where he planned and drilled wells in ‎Africa, Europe, Southeast Asia, Kazakhstan and South ‎America.  Mr. Elliott continues to manage and grow ‎Workstrings International, currently the largest ‎oilfield rental tool company in the world.  Mr. Elliott was a ‎Charter member of Geoproduction Oil & Gas Company, ‎founded in 2001.  Mr. Elliott earned his degree in Petroleum ‎Engineering in 1981 from Louisiana State University‎.

Juan Argento


Mr. Argento is currently one of two Managing Partners at Horizon Capital ("Horizon"). Horizon was founded in 2004 as an advisory and principal investment firm focused on the Latin American energy industry. Prior to joining Horizon, Mr. Argento was an advisor to Millennium Global ("Millennium"), a London-based hedge fund group. Mr. Argento advised Millennium with regards to investments in public and private markets. He was particularly active in oil & gas, mining and agriculture. Prior to Millennium, Mr. Argento worked for Rubikon Partners, a mid-market private equity firm, focused on the European market. In 2000, Mr. Argento was the sole founder of Circulo Asegurador, one of the first online insurance brokers in South America, with operations in Brazil and Argentina. Prior to that, in 1997, Mr. Argento was an early recruit of Texas Pacific Group and worked for their Newbridge Latin America fund. He started his professional career in New York, working for Salomon Brothers. Mr. Argento graduated with honors in Economics from Harvard University.