Ameresco Executive and Leadership Team

Mark Chiplock, the Executive Vice President & Chief Financial Officer & Chief Accounting Officer at Ameresco, commands the financial strategy and fiscal operations underpinning the company's cleantech and renewable energy endeavors. Chiplock directs all financial planning, accounting practices, and capital management, ensuring robust financial health across Ameresco's extensive portfolio of energy efficiency and infrastructure upgrade projects. This multifaceted role involves overseeing financial reporting, treasury functions, and investor relations, critical for supporting asset sustainability and renewable energy asset development throughout North America and Europe. By maintaining stringent financial controls and driving fiscal discipline, Mark Chiplock enables Ameresco to pursue strategic growth opportunities and manage its asset owner and operator responsibilities effectively. The Executive Vice President & Chief Financial Officer & Chief Accounting Officer's financial acumen is paramount to the company's sustained success and its ability to deliver value in the dynamic energy sector.

Peter Christakis, the Chief Operating Officer at Ameresco, directs the company's extensive operational framework, ensuring the seamless delivery of energy efficiency, infrastructure upgrades, and renewable energy solutions. Overseeing project execution across North America and Europe, Christakis drives operational excellence and manages the integration of diverse cleantech solutions. This leadership role involves optimizing resource allocation and enhancing project management methodologies to meet client demands for asset sustainability and renewable energy asset development. By focusing on scalable operational strategies, Peter Christakis ensures Ameresco maintains its position as a leading integrator in the renewable energy sector. The Chief Operating Officer's purview extends to managing the company's asset owner and operator functions, guaranteeing efficient performance and long-term value creation for clients invested in sustainable infrastructure.

Lenka Patten, the Senior Vice President and Chief Human Resources Officer at Ameresco, architects the human capital strategy essential for driving the company's cleantech and renewable energy initiatives. Patten oversees all aspects of human resources, including talent acquisition, development, and retention, ensuring Ameresco attracts and cultivates the expertise needed for energy efficiency and infrastructure upgrade projects. This critical role involves fostering a culture of innovation and collaboration across North America and Europe, supporting the company's mission to deliver comprehensive asset sustainability solutions. By aligning HR practices with Ameresco's strategic goals, Lenka Patten ensures the workforce is equipped to manage the complexities of renewable energy asset development and operation. The Senior Vice President and Chief Human Resources Officer champions employee engagement and organizational effectiveness, directly contributing to the company's capacity to execute large-scale projects and maintain its leadership in the sustainable energy market.

Leila Dillon, the Chief Marketing Officer & Senior VP at Ameresco, spearheads the strategic marketing initiatives that amplify the company's leadership in cleantech integration and renewable energy solutions. Dillon directs all branding, communications, and market development efforts, ensuring Ameresco's comprehensive portfolio of energy efficiency, infrastructure upgrades, and asset sustainability solutions reaches target clients across North America and Europe. This senior leadership position involves translating complex technical offerings into compelling market narratives that highlight Ameresco's expertise as a renewable energy asset developer, owner, and operator. By cultivating strong market presence and driving lead generation, Leila Dillon directly supports the company's growth objectives and its mission to advance sustainable energy practices. The Chief Marketing Officer & Senior VP's strategic vision ensures Ameresco remains at the forefront of client engagement and market perception within the competitive energy sector.