Board of Directors


Mr. L. Spencer Wells, Chairman of the Board

Founding Partner of Drivetrain Advisors LLC, a provider of fiduciary services to institutional asset managers. Former Partner of Silverpoint Capital and TPG Special Situations Partners, both multi-billion dollar alternative investment managers.

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. Trustee of Western Reserve Academy in Hudson, Ohio.

Earned a B.A. from Wesleyan University and an M.B.A. with Honors in Finance from Columbia University.


Mr. A. Bradley Gabbard

Served as ADES Chief Financial Officer from June 2015 through June 2016.

Over 35 years of experience in the management and operations of energy companies. Co-founded and served as Chief Financial Officer, Executive Vice President and a Director of PowerSecure International, Inc. (formerly known as Metretek Technologies, Inc. and currently operating as a subsidiary of Southern Company). Served as President and Chief Financial Officer of Recovery Energy, Inc., a Denver-based Energy Company. As an officer of Applied Natural Gas Fuels, Inc., served as Vice President Special Projects and Chief Financial Officer. Provided management and financial consulting services to companies involved in the oil and gas and energy related businesses.

Bachelor of Accounting from the University of Oklahoma and is a CPA.


Mr. Derek Johnson, Chairman - Nominating | Governance Committee

Chairman of Peak 9 Partners, an operating fund, and also serves as a Board member of Visuality Corporation, a specialty supplier to the retail industry. Previously served as the Chairman of Visuality Corporation and as President and CEO of Visual Merchandising, Inc., a subsidiary of Visuality Corporation and predecessor of NOA Brands America, Inc. Served as the Vice President of New Business Development for Kennametal, a public company based in Pittsburgh, PA, a global provider of metalworking solutions using tungsten carbide inserts. Served as a Director of Qualmark Corporation (OTCBB: QMRK), a company that designs, manufactures, and markets proprietary equipment that rapidly and efficiently exposes product design and manufacturing-related defects for the purpose of improving product quality and reliability. Held various previous roles including, President and COO of CoorsTek, a manufacturer of technical products supplying critical components and assemblies for mining, automotive, semiconductor, aerospace, electronic, power generation, telecommunication and other high-technology applications on a global basis.

Higher National Certificate from Kirkcaldy College in Scotland and an Executive M.B.A. from the University of Denver.


Mr. Gilbert Li

Co-Founder and Managing Partner of Alta Fundamental Advisers, a private investment company. Spent his career focused on value-oriented investing across the capital structure. Served as an investment analyst for JMB Capital Partners. Previously held the roles of portfolio manager, trader, and investment analyst at Merrill Lynch, Watershed Asset Management, and J.P. Morgan Investment Management.

Attended the University of California, Berkeley with majors in Chemical Engineering and Material Science Engineering.


Mr. Carter Pate, Chairman - Compensation Committee

Founder and Chief Executive Officer of Phoenix Effect, LLC, serving as a Consultant and Advisory Board Member to public and private Boards of Directors since 2014, including a current role as Chairman of the Board of Bioscrip, Inc (NASDAQ: BIOS). Previously served as Chief Executive Officer of MV Transportation, Inc., the largest privately-owned passenger transportation contracting firm based in the U.S. ; continues to serve as an independent strategic advisor to MV Transportation. Over 15 years of experience with PwC, the world’s largest accounting and professional services firm. Served in various roles including U.S. and Global Managing Partner of PwC’s Capital Projects and Infrastructure practice, Global and U.S. Managing Partner of PwC’s Health Care Practice, U.S. Managing Partner of Government Services, Managing Partner of U.S. Markets, Managing Partner of Financial Advisory Service and as a Partner and Leader in PwC’s U.S. Restructuring Practices. Previously served as a Director, Interim President and Chief Executive Officer of Sun Television and Appliances, Inc., a national retailer, as a Director and Chief Executive Officer of Sun Coast Industries, Inc. and as Director of Finance at William Hudson Chemical Trading. Founded his own management consulting firm.

Master's degree in Accounting and Information Management from the University of Texas at Dallas and a B.S. degree in Accounting from Greensboro College and is a CPA.


Mr. L. Heath Sampson, President & CEO ADES

President and Chief Executive Officer of ADES. Prior to his appointment as President and Chief Executive Officer, served as Chief Financial Officer and Treasurer of the Company. A Director and the President of ADA-ES, Inc., a wholly-owned subsidiary of the Company, a Manager on the Board of Managers of Tinuum Group, LLC. and a Manager and Officer of other ADES subsidiaries.

Previously served as Chief Financial Officer at Square Two Financial, a private equity backed mid-market specialty finance company, where he led the corporate restructuring. Served as Chief Financial Officer of First Data Financial Services, a business unit of First Data Corporation, a large-market global SEC registrant, where he led strategy development, finance and accounting for the $2.5 billion business unit. Also at First Data Corporation, he led various other strategic, operational, financial and compliance initiatives within the U.S. and across the globe. He started his career at Arthur Andersen, LLC., where he served within the audit advisory group and finished as a Senior Manager within the business and risk consulting group.

Received a Bachelor of Business Administration-Accounting and Masters of Accountancy from the University of Denver.


Mr. J. Taylor Simonton, Chairman - Audit Committee

Retired PricewaterhouseCoopers LLC (PwC) Assurance and National Office SEC Partner.

Current Board of Directors, Audit Committee Chair, member of the Nominating & Governance and Compensation Committees of Escalera Resources Co., which explores, develops and transports natural gas in the U.S.

Former Board of Directors, Lead Director, Audit Committee Chair, and a member of the Nominating & Governance, Compensation, and Valuation Committees of Crossroads Capital, Inc. (f/k/a BDCA Venture, Inc.). Former Board of Directors and Audit Committee Chair of Zynex, Inc.; Red Robin Gourmet Burgers, Inc.; and Fischer Imaging Corporation.

Former Board of Directors and Past Chairman of the Colorado Chapter of National Association of Corporate Directors (NACD) and holds NACD’s highest director credential – Board Leadership Fellow.

Bachelor of Science in Accounting from the University of Tennessee - Knoxville and is a CPA.