OUR BOARD


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Charlie McNeil


Charlie possesses broad experience in the coal, oil and gas, power and mining industries. He is Founder and CEO of NexGen

Resources Corporation, a natural resource company which manages procurement and handling of over 9 million tons of coal per year, mine development and operations, coal-based alternative fuel and clean coal technology commercialization, and oil and gas resource development. Previously nominated by the Secretary of Energy to the National Coal Council, Charlie is a former director of the National Coal Association and the Colorado Mining Association. He is currently a member of the American Coal Council, Tau Beta Pi Engineering Society, Council of Energy Advisors, Society of Mining Engineers of AIME, and the National Coal Transportation Association. Charlie received his B.S. in Mining Engineering from the Colorado School of Mines in 1971.
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L. Heath Sampson


President, Chief Executive Officer and Treasurer of Advanced Emissions Solutions. Prior to his appointment as President and

Chief Executive Officer, served as Chief Financial Officer and Treasurer of Advanced Emissions Solutions. Prior to joining Advanced Emissions Solutions, he helped rebuild SquareTwo Financial, leading the company’s development and completion of a $475 million recapitalization. From 2002 to 2009, he held divisional CFO and corporate risk and governance roles. Heath received a B.S. and M.S. in Accountancy from the University of Denver.
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Randy Dietrich


A 25-year veteran of Republic Financial Corporation, Randy was appointed CEO in 2008 and has been instrumental in developing

and building the company’s divisions and portfolio companies. He began his career as a Certified Public Accountant working for Coopers and Lybrand. Randy holds a B.S. degree in Accounting from Wittenberg University.
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Ron Eller


Ron was appointed President of Tinuum in January 2014, and CEO in March 2016. Prior to joining Tinuum, Ron was a director and

later President and CEO of Ascent Solar Technologies, a thin film photovoltaic manufacturer, from 2009 to 2012. He previously held senior executive positions over a 14 year period at Hewlett-Packard Company and Compaq Computer Corporation. Ron holds a B.S. degree in Professional Aviation Technology from Purdue University, and an M.S. degree in Business from Colorado State University.
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Brad Gabbard


Brad has over 35 years of experience in the management and operations of energy companies. He co-founded and

served as CFO, Executive Vice President, and a Director of PowerSecure International, Inc. Brad has also served as President and CFO of Recovery Energy, Inc., a Denver-based energy company. As an officer of Applied Natural Gas Fuels, Inc., Brad served as Vice President Special Projects and CFO. He has provided management and financial consulting services to companies involved in the oil and gas and energy-related businesses. Brad received his Bachelor of Accounting from the University of Oklahoma and is a CPA.
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Spencer Wells


Spencer is a Founding Partner of Drivetrain Advisors LLC, a provider of fiduciary services to institutional asset managers.

He has over 20 years of experience investing across the capital structure in a variety of industries, including energy, financial institutions, chemicals and other basic industries. Currently a Director on the Boards of several public and private companies in the Energy, Insurance, Health & Wellness, and Customer Loyalty industries, he’s also a Trustee of Western Reserve Academy in Hudson, Ohio. Spencer earned a B.A. from Wesleyan University and an M.B.A. with Honors in Finance from Columbia University.
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