Peter Christakis serves as Chief Operating Officer at Ameresco Inc. Class A, a leading North American cleantech integrator driving energy efficiency, infrastructure upgrades, and renewable energy solutions. With more than 30 years of experience in the energy industry, Christakis oversees the company's operational functions, including project development, engineering, procurement, construction, commissioning, and asset management. His strategic leadership has been pivotal in executing multi-billion-dollar projects across federal, state, and commercial sectors, delivering substantial energy savings and sustainability outcomes. Prior to joining Ameresco in 2010 as Senior Vice President of Project Development, Christakis held executive roles at Duke Energy and Trigen Energy Corporation (now Veolia North America), where he managed district energy systems, cogeneration facilities, and large-scale infrastructure initiatives. His tenure at these organizations honed his expertise in energy project financing, operations optimization, and regulatory compliance, contributing to innovative thermal energy networks that reduced emissions and operational costs. Under Christakis's guidance at Ameresco, the company has expanded its project backlog to over $3 billion, secured landmark federal contracts with agencies like the U.S. Army and GSA, and advanced renewable technologies such as solar, battery storage, and microgrids. Recognized for his contributions to the clean energy transition, he continues to champion resilient, low-carbon infrastructure, positioning Ameresco as a trusted partner in achieving net-zero goals.