Ameresco Names Mark Wilhelm as Corporate Director of Sustainability and Climate Neutrality Initiatives

Industry veteran offers wealth of sustainability experience and a proven track record working with customers to achieve aggressive climate neutrality goals.

FRAMINGHAM, MA – February 2, 2015 – Ameresco, Inc. (NYSE: AMRC), a leading energy efficiency and renewable energy company, announced today that Mark Wilhelm has been named Ameresco’s Corporate Director of Sustainability and Climate Neutrality Initiatives. As a subject-matter expert on current industry practices, he will function as Ameresco’s sustainability liaison cross-company, champion best practices for customers, and leverage expert knowledge from within Ameresco and a network of experts to develop and implement projects and strategies.

“We are very pleased to have someone with Mark’s depth of knowledge and commitment, and who is an environmental steward to fill the new role at Ameresco,” said George P. Sakellaris, President and CEO, Ameresco. “As the ‘trusted sustainability partner’ for customers, Ameresco is focused on efficiency and renewable measures that impact long-term sustainability, and having Mark in this role reinforces not only the commitment we have to our own sustainability initiatives but also better positions us to provide even greater long-term value for our customers.”

Throughout his career Mr. Wilhelm has advocated for customers through a wide variety of initiatives and has been instrumental in assisting them to achieve their goals. In 2013, he joined Ameresco as the Director, Climate Neutrality Initiatives. The same year, Ameresco was selected by Arizona State University (ASU) to be its strategic business partner to achieve its goal of climate neutrality by 2025 (2035 including fleet).  Mr. Wilhelm is leading Ameresco’s team, which includes Rocky Mountain Institute (RMI) and the National Renewable Energy Laboratory (NREL), to define and implement sustainability strategies that will achieve zero net greenhouse gas emissions and climate neutrality for ASU.

“I am excited to take on this role for Ameresco,” Wilhelm said. “In my career, I have worked with some of the most innovative sustainability and energy professionals in the world.  Working with Ameresco, ASU, RMI, and NREL on the Climate Neutrality Alliance has been an amazing experience. We have learned how to drive large, dynamic organizations like ASU to climate neutrality with a positive net present value. We will leverage this knowledge to position Ameresco as the premier strategy and implementation partner for organizations who are truly serious about achieving their climate neutrality goals.”

Mr. Wilhelm has over 30 years of experience in the energy industry, including over 20 years of focus on energy-efficient, sustainable building design and operations. Previous to Ameresco, he was a founding principal of Green Ideas, Inc., one of the nation’s premier green building consulting firms. Before that, Mr. Wilhelm held leadership roles with the Electric Power Research Institute (EPRI) and Arizona Public Service (APS). He has participated in the greening of over 100 sustainable developments, including some of the most prestigious projects in the Southwest. He has provided sustainability consulting services to Fortune 500 companies including BASF, Intel, General Dynamics, and Oldcastle and has managed LEED certification efforts for over 70 projects nationwide.

Mr. Wilhelm received his Bachelor of Arts degree in economics from the University of Massachusetts at Amherst and his Master of Science in environmental planning from Arizona State University. He is a Certified Energy Manager (CEM), a Certified Carbon Reduction Manager (CRM), and a LEED Accredited Professional, Operations and Maintenance (LEED AP O+M).

About Ameresco
Founded in 2000, Ameresco, Inc. (NYSE:AMRC) is a leading independent provider of comprehensive services, energy efficiency, infrastructure upgrades, asset sustainability and renewable energy solutions for facilities throughout North America. Ameresco’s services include upgrades to a facility’s energy infrastructure and the development, construction and operation of renewable energy plants. Ameresco has successfully completed energy saving, environmentally responsible projects with federal, state and local governments, health care and educational institutions, housing authorities and commercial and industrial customers. With its corporate headquarters in Framingham, MA, Ameresco provides local expertise through its 69 offices in 34 states, five Canadian provinces and the United Kingdom. Ameresco has more than 1000 employees. For more information, visit

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Ameresco: CarolAnn Hibbard, 508-661-2264, [email protected]