Management

The Little Rock Resources Ltd. Management oversees the implementation of strategic plans and growth priorities that provide long-term value. Our Management knows what it takes to achieve operational excellence.

Thomas J. Greschner

Chairman, President & CEO

Tom was most recently a co-founder, President and CEO of Nexxco Energy Ltd. from September 2012 to October 2015, a private junior oil and gas company that was sold to Burgess Creek Exploration.  Prior to Nexxco, he was the Chairman, President and CEO of Emerge Oil & Gas Inc., a public junior oil and gas company he co-founded in 2008.  Together with his management team, Tom grew production to 6,000 boe/day and sold the company to Twin Butte Energy Ltd. in January 2012.

Jamie Jeffs, CPA, CA

Vice President, Finance & CFO

Jamie has over 25 years of accounting and finance experience with the last 11 years in the oil and gas industry. Jamie previously served as Vice President, Finance and CFO of Fortaleza Energy, Alvopetro and Fortress Energy. Prior to these appointments, he was Vice President, Finance for an oilfield services company and Senior Manager in the assurance division of KPMG LLP.

Mike Twomey, P.LAND

Vice President, Land

Mike has spent the past 11 years as Vice President, Land for Regent Resources Ltd., a Calgary based private oil and gas exploration company. He was responsible for all land department functions including land negotiations and strategic development initiatives for all exploration and exploitation activities. He was key in moving Regent from a non-operated gas focused company to a balanced portfolio of operated oil and gas assets. Prior to Regent, Mike had a 9 year career at Samson Canada Ltd. as Manager, Surface, Mineral Land and Joint Venture.

Cory Hetherington, P.ENG., MBA

MBA, Vice President, Engineering

With a Bachelor of Science degree in Mechanical Engineering from the University of Calgary and a Master of Business degree from the University of Alberta, Cory has 20 years of related upstream oil and gas experience in the WCSB. Having worked with a variety of production and service companies including; Wascana Energy Inc, Nexen Inc, Enerplus Resources, Orion Oil and Gas Corporation, Lightstream Resources and Murphy Oil Corp, he is proficient in many aspects of oil and gas exploitation including reservoir, completions, production, operations, facilities, processing, transportation and business development.

Claude Gamache, P.GEOPH.

Vice President Exploration

Claude joined Little Rock in November 2016 and has over 27 years of experience in oil & gas exploration. He was most recently Vice President, Geosciences at Twin Butte Energy, which merged with Emerge Oil & Gas in January 2012. As a co-founder at Emerge, he held the position of Vice President, Exploration since its inception in 2008. Throughtout the 8 years at both companies, Claude was an integral part in growing production from 60 boe/day to over 22,000 boe/day.

Dwayne Schielke, P.TECH., ENG.

Vice President Operations

Dwayne is a Professional Technologist with over 20 years’ of experience in the oil and gas industry. Prior to Little Rock Resources, Dwayne held many roles within Husky Energy over an 11 year span. Most notable, looking after field operations for the Plains Region of over 50,000 boe/day. His tenure at Renaissance Energy and Primewest Energy were technical positions in production operations, facility design and construction, reservoir evaluation and drilling and completions.