FRAMINGHAM, Mass.–(BUSINESS WIRE)–Ameresco, Inc., (NYSE: AMRC), a leading energy infrastructure company, today announced that, effective September 25, 2026, Mark Chiplock has resigned as Chief Financial Officer to accept a CFO position at a private equity-owned company in a different industry. “We appreciate the significant contributions Mark has made to our company during his tenure with us, and the strong financial team that he has built and mentored. Mark has been a valuable member of our