Leadership Team


Seth Shortlidge - President & CEO

Seth brings over 20 years of experience in the energy industry. Prior to NTE Energy, he served as general counsel, managing director and finally chief executive at Tamarack Energy and was a partner at the lawfirm of Pierce Atwood. He also served as a Partner/Chair Energy Law Practice at the law firm of Gallagher, Callahan & Gatrell where he represented a wide variety of national and international energy clients in major commercial transactions and regulatory proceedings.


Mark Mirabito - COO

Mark brings over 10 years of experience in the energy industry. Prior to becoming COO, he was VP Project Development, responsible for leading complete development efforts for NTE Energy's and infrastructure clients, including greenfield or retrofit development of hybrid renewable power projects.

Mark previously worked for Tamarack Energy, where he managed numerous renewable energy development projects. Mark was the lead project developer for Watertown Renewable Power (WRP), performing all activities from initial development through its sale to Energy Investors Funds. He founded Revolve Power, LLC in 2009 to provide continuing development services to WRP and other renewable energy projects. Prior to joining Tamarack Energy, Mark held various engineering and project management positions at Merck & Co., Inc.


Stephanie Clarkson - CFO

Stephanie brings over 15 years of experience in the energy industry. Before appointed as the Chief Financial Officer, she served as the Senior Vice President of Finance for NTE responsible for over one billion in thermal energy financing transactions. Prior to NTE she served similar roles responsible for corporate and finance activities in public civil infrastructure projects, large commercial development and biomedical engineering projects throughout the southeastern United States.


Tim Eves - SVP Development

Tim brings over 35 years of experience in the energy industry. He came to NTE Energy from Vercipia, a leader in the development and commercialization of cellulosic ethanol production technology. Prior to Vercipia, Tim worked in various management roles for Calpine Corporation in the areas of project development and origination. He also had a 20-year career with Westinghouse Power Generation in both domestic and international markets.


Mike Bradley - SVP, Commercial

Mike brings over 20 years of experience in the electric power and natural gas industries with a wide range of commercial contacts in various natural gas and power industry sectors. Prior to joining NTE Energy, he spent 14 years in origination at Dynegy. As Senior Director, Origination he led the company's origination efforts in the Northeast, East, ERCOT, Midwest and Southeast.


Chris Rega - SVP, Engineering

Chris adds over 30 years of engineering experience to NTE's team. Having previously served in technical and leadership roles at Parsons, Siemens and InterGen, Chris has led engineering services on dozens of power plants in several different countries.


Michael Green - SVP, Development

Responsibilities include leadership of NTE's project development efforts in North Carolina, including opportunity identification, permitting, public outreach, legislative and regulatory communications, financial structuring and engineering design coordination.

Mike brings nearly 40 years of experience in the energy industry. He served in several management level positions with Duke Energy’s engineering, regulatory affairs and project management divisions, focused on Duke’s generation fleet. Mike was loaned for two years to the Institute of Nuclear Operations (INPO) as a Senior Evaluator to evaluate construction practices of US Nuclear facilities. Mike also was requested by the US State Department to assist US Aid team evaluation the Egyptian Energy Association’s transmission upgrade efforts in Cairo.