Corporate Governance - Management

Management | Board of Directors | Board Committees | Guidelines | Conduct | Contact the Board  
George P. Sakellaris
Chairman of the Board of Directors, President and Chief Executive Officer
George P. Sakellaris
Chairman of the Board of Directors, President and Chief Executive Officer


Mr. Sakellaris is the President and Chief Executive Officer, as well as the Chairman of the Board of Directors, of Ameresco. Mr. Sakellaris aspired to build an entirely product-neutral and supplier-independent energy company that had the skills, capabilities and foresight to create energy solutions that went beyond just conservation and addressed a customer’s entire energy stream including supply and demand, energy efficiency and renewable energy. As a result, he founded Ameresco in April ... 

David J. Anderson
Executive Vice President, Business Development and Director
David J. Anderson
Executive Vice President, Business Development and Director


Mr. Anderson is Executive Vice President, Business Development of Ameresco. He is a member of the founding management team and a member of the Board of Directors. Mr. Anderson has over 25 years of diversified experience in the energy industry and is responsible for the successful development and implementation of Ameresco’s strategic vision. In this capacity, he has played a key role in leading Ameresco to become one of the largest independent energy solutions companies in North America.

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Michael T. Bakas
Senior Vice President, Renewable Energy
Michael T. Bakas
Senior Vice President, Renewable Energy


Mr. Bakas has served as our senior vice president, renewable energy, since March 2010. From 2000 to February 2010, he was our vice president, renewable energy. He manages the Renewable Energy Group, which is primarily responsible for the development and operation of renewable energy generation assets both domestically and internationally. He has been instrumental in fostering and supporting legislation that promotes the use of renewable resources. In addition, Mr. Bakas is involved in corpo... 

Nicole Allen Bulgarino
Senior Vice President & General Manager, Federal Solutions
Nicole Allen Bulgarino
Senior Vice President & General Manager, Federal Solutions


Ms. Bulgarino has served as Senior Vice President & General Manager, Federal Solutions of Ameresco, since May 2015 and is responsible for the overall management of Ameresco’s dedicated business unit serving Federal government customers.  Since joining Ameresco in June 2004, she has held a variety of technical leadership positions most recently as Ameresco’s Vice President & General Manager, Federal Solutions.

Ms. Bulgarino has nearly 20 years of experience in developing and exe... 

David J. Corrsin
Executive Vice President, General Counsel and Secretary and Director
David J. Corrsin
Executive Vice President, General Counsel and Secretary and Director


Mr. Corrsin is Executive Vice President and General Counsel of Ameresco. He is also the Corporate Secretary and is a member of the Board of Directors. Mr. Corrsin has extensive experience with energy regulations, federal, state and local regulatory authorities, and complex energy construction and financing projects, gained through more than 23 years of energy-related legal practice. Mr. Corrsin oversees financial and regulatory issues of independent power, utility and energy conservation pr... 

Joseph P. DeManche
Executive Vice President
Joseph P. DeManche
Executive Vice President


Mr. DeManche has served as our executive vice president, engineering and operations since 2002. He has more than 30 years of experience in providing energy engineering, design, construction, operations and maintenance services for a full range of commercial, institutional, industrial and utility clients. He has overseen the design, construction, and operations for hundreds of millions of dollars in shared savings and performance contracts for large-scale energy efficiency upgrade projects.<... 

Louis P. Maltezos
Executive Vice President
Louis P. Maltezos
Executive Vice President


Mr. Maltezos is an Executive Vice President of Ameresco and a duly elected officer of the Corporation. Mr. Maltezos serves as the General Manager of our Central and Northwest Regions in the U.S.A. and also as the President of our wholly owned subsidiary Ameresco Canada Inc. Within these three regions, Mr. Maltezos provides senior management oversight to all sales and operations activities and is responsible for developing and executing the company’s growth strategies.

Mr. Maltezos h... 

John R. Granara
Chief Financial Officer
John R. Granara
Chief Financial Officer


Mr. Granara is Chief Financial Officer of Ameresco, Inc. Mr. Granara joined Ameresco as Vice President and Chief Accounting Officer in September 2013; he also served as Corporate Controller from that time until June 2014. His career has included more than 20 years of leadership roles with increasing responsibilities while building global financial expertise primarily with early stage and publicly-traded companies within the clean technology and technology sectors.

In this role, Mr. Gra...