Arturo Vivar, Chief Executive Officer

Mr. Vivar has more than 25 years experience in the energy industry, initially working as an engineer and later in various leadership roles in the natural gas, power and crude oil sectors. He began his career as an engineer at the Los Angeles Department of Water and Power and later served as International Treasurer for Silicon Graphics. He then went on to be one of the original marketers for Enron Capital & Trade from 1992 until 1996 where he structured and sold long term natural gas packages, and was a founding member of Enron’s power trading and marketing group.

Arturo moved into the energy infrastructure portion and entrepreneurial side of his career while working at Cinergy, where he created a group that successfully restructured independent power projects and held titles including Chief Risk Officer of the Commodity Business Unit and VP Business Development & Origination. His next venture was with WesPac Energy, where he focused on developing energy infrastructure, commodity supply decisions, hedging and risk management.

Most recently, Arturo was a founder and CFO of Rangeland Energy, a private equity backed, Houston-based oil and gas infrastructure company focused on the Bakken. As an owner and CFO, he participated in all aspects of the company’s activities. Arturo is a Civil Engineer from Cal Polytechnic University and has his MBA from Stanford.

Michael A. Williams, President

Prior to founding Monterra Energy, Mr. Williams was the COO and Founding Partner of Remvest Energy Partners, a private investment company focused on energy investments and advisory services in Latin America. Mr. Williams has been active in the global energy sector since 1999 with experience across both the exploration & production and oilfield services sector and with substantial experience in Latin America. Previously he was the Sr. Operations and Corporate Planning Coordinator for Remora Energy. Mr. Williams joined Remora shortly after its inception and oversaw the buildup of the organization in Colombia, oversaw operations across two years which included 2 operated oilfields, over 7 operated exploration and appraisal wells, civil works and a 13-person Operations Team. His corporate planning responsibilities included asset management across 10 blocks (5 operated), corporate scheduling and budgeting, growth through bid rounds, business development and execution of the divestiture program in 2011.

Prior to Remora, he held several executive level roles at both private and publicly traded global oilfield services companies in roles including corporate and business development, M&A, and project management. He holds a Bachelor of Commerce degree from the University of Calgary.

John O’Beirne, Chief Operating Officer

John O’Beirne has more than 33 years of experience in midstream engineering, construction, operations and general management. John started with TransCanada Pipelines in 1982 in quality control and materials engineering in support of TransCanada’s extensive mainline natural gas pipeline system in Canada. He progressed through senior management roles in engineering and operations during Transcanada’s multi billion dollar expansion in the late 1980s and early 1990s, heading up operations and maintenance support for over 12,000 km of pipeline and 50 compressor station. He subsequently led the plant engineering group for the addition of over 250,000 h.p. of compression on the system, and a major overhaul of the system-wide SCADA system.

In 1996, John moved to Colombia to lead the construction and operation of TransCanada’s investment in a 350 km mainline gas pipeline, moving on to Mexico where he was General Manager for the implementation of the 700 km long Yucatan Peninsula gas pipeline. Since leaving TransCanada in 2001, John has held senior management roles in the operation and construction of midstream assets in Mexico for El Paso Mexico, GDF Suez and most recently Gasoductos de Chihuahua. During that time he has been involved in all aspects of the development of natural gas and liquids pipeline and storage projects from conception through full commercial operation.