Advisory Board

Charles Cherington, Co-Founder and Chairman

Charles Cherington

Charles is the Chairman and a co-founder of Argus. He is a managing partner at Intervale Capital, LLC, a private equity firm he co-founded in 2006 dedicated to investing in middle-market energy service and manufacturing companies. Prior to that, he managed two smaller private equity firms focused on buyouts in the energy, transportation and manufacturing sectors. Charles has over 20 years of private equity experience. Before launching his first fund, Charles spent three years with British private equity fund in Vietnam. Charles also worked for Credit Suisse in New York.

Charles received an M.B.A., with honors, from the University of Chicago and a B.A. in History from Wesleyan University.

Charles is married with three sons and lives in Houston.


William McMullen, Co-Founder and Director

William McMullen

William is a co-founder of Argus. He is a managing partner at Bayou City Energy Management, LLC, a private equity firm he founded in 2015 focused on capital solutions for small upstream operators. Prior to that, he successfully managed a smaller private equity vehicle, Bayou City Energy Partners, focused on investments in the oil and gas sector. Additionally, William served as Vice President at White Deer Energy, an oil and gas focused private equity firm with $2.2 billion in assets under management, responsible for origination, analysis, structuring and execution of upstream investments. Before White Deer Energy, William served as an Associate in Denham Capital Management’s upstream group.

William received a B.A. in Economics, with honors, from Harvard University.

William is married with two daughters and lives in Houston.


Troy Thacker, Partner

Troy Thacker

Troy is a Partner of Argus. He has over 22 years of financial and executive experience across the energy industry. Prior to Argus, Troy served as President and CEO of two different private equity backed companies,R360 Environmental Solutions, the nation’s largest drilling and production waste management provider for the oil and gas industry and Total Safety, Inc., a safety services and equipment company which serves multinational oil and gas, industrial and process industry customers in more than 26 countries. Prior to these roles Troy was a founding partner of Paine & Partners, LLC, a private equity investment firm that, along with its predecessors, managed over $3 billion in institutional capital.

Troy received an M.B.A. from Harvard Business School and a Bachelors of Science in Chemical Engineering from Rice University.

Troy is married with three children and lives in Houston.


Shameek Konar

Mr. Konar is Chief Strategy Officer for Pilot Flying J, one of the largest transportation fuels distributors in the United States.   Mr. Konar spent more than 20 years as an executive in the commodities industry, including as Chief Investment Officer of Castleton Commodities International and Mercuria Energy Trading, where he was responsible for asset related investments structured transactions and asset operations across the Oil & Gas production, Mining, Power generation and Midstream sectors. Previously, Mr. Konar was Co-Head of Global Commodities Principal Investments at Goldman Sachs, and also held a variety of senior roles at Constellation Energy including Senior Vice President of Corporate Strategy and Development and was a member of the firms Executive Committee. He holds a Ph.D. in Economics and Finance from Vanderbilt University and a B.A. in Economics and Mathematics from St. Stephen’s College in India.