Ms. Leila Dillon is Senior Vice President and Chief Marketing Officer at Ameresco, a leading energy infrastructure company delivering integrated solutions that create reliable power and modernize infrastructure. Ms. Dillon has more than 20 years of experience leading corporate marketing and communications, investor relations, partner strategy, lead generation, and business development initiatives for industry-leading global infrastructure, energy, and technology companies.

In her role, Ms. Dillon leads strategic initiatives that amplify Ameresco’s market leadership position, including external communications programs spanning media and public relations, as well as internal communications and employee engagement initiatives. She guides the development of integrated marketing, demand generation, and thought leadership programs that strengthen Ameresco’s market presence and support business growth across the organization.

As a key member of the executive leadership team, she helps drive stakeholder engagement, investor relations, and strategic communications initiatives that reinforce Ameresco’s vision and positioning among customers, investors, partners, and employees.

Ms. Dillon helped establish Ameresco’s ESG Ambassadors program in 2020 as part of a broader commitment to employee engagement and organizational alignment. Through initiatives that connect employees across business units and geographies, she has helped cultivate a One Ameresco culture centered on collaboration, shared values, and a common purpose.

Prior to joining Ameresco, Ms. Dillon served as Vice President of Marketing and North American Distribution for Bigbelly, Inc., a leading provider of Smart City, Internet of Things (IoT), and smart waste management solutions.

A recognized leader in strategic communications, corporate positioning, and stakeholder engagement, Ms. Dillon has helped elevate Ameresco’s profile as a leader in energy infrastructure, reliable power, and infrastructure modernization. She is a four-time consecutive honoree in Ragan’s Top Women in Communications Awards, including recognition as a Bridge Builder and Trailblazer for her leadership and impact across business, brand and culture.