Louis P. Maltezos

Louis P. Maltezos

Louis P. Maltezos
Executive Vice President of Ameresco, Inc.
President of Ameresco Canada







Mr. Maltezos is an Executive Vice President of Ameresco, Inc. and a duly elected officer of the Corporation. Mr. Maltezos serves as the General Manager of the Company’s 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 has been a senior executive with Ameresco since 2004 and joined the Company through our acquisition of the energy savings performance contracting business of Exelon Corp where he served as vice president and general manager. Mr. Maltezos has over 27 years of industry experience in a variety of engineering, management, and executive roles spanning energy savings performance contracting, energy services, distributed generation, mechanical contracting, and utility businesses.

Mr. Maltezos earned an M.B.A. degree from Northwestern University’s Kellogg Graduate School of Management and a B.S. degree in Electrical Engineering from the University of Illinois Urbana-Champaign.


Ameresco Canada Management

Louis P. Maltezos

Louis P. Maltezos
Executive Vice President


Tim Dettlaff

Tim Dettlaff, BASc. P.Eng.
Senior Vice President of
Asset Management