Louis Maltezos
Co-president @Ameresco
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WORK HISTORY
Co-president @Ameresco
Chicago, IL, US
EDUCATION
Northwestern University
Master of Business Administration (M.B.A.)
University of Illinois Urbana-Champaign
Bachelor of Science (B.S.), Electrical and Electronics Engineering
ABOUT LOUIS MALTEZOS
With over 35 years in the utility and energy industry—including 22+ years of P&L responsibility across both public and private companies—I bring a seasoned, results-driven approach to executive leadership. As President of Central & Western USA and Canada at Ameresco, I oversee sales, operations, and growth strategies across diverse markets, helping customers improve efficiency, reduce costs, and achieve long-term sustainability goals.My expertise spans a broad spectrum of energy solutions: Energy-as-a-Service, performance contracting, renewable power, battery storage, Smart City technologies, decarbonization, microgrids, energy analytics, building optimization, and project financing. Since joining Ameresco in 2004 through the acquisition of Exelon’s energy savings performance contracting business, I’ve remained committed to delivering practical, high-impact solutions that drive both financial and operational performance—for our company and our customers.
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