NORWELL, Mass.–(BUSINESS WIRE)–Clean Harbors, Inc. (“Clean Harbors” or the “Company”) (NYSE: CLH), the leading provider of environmental and industrial services throughout North America, today announced that Eric Gerstenberg will serve as sole Chief Executive Officer effective January 1, 2027. Mike Battles has decided to retire as Co-Chief Executive Officer and a member of the Company’s Board of Directors on December 31, 2026, and will serve in a strategic advisory role to the Company in 2027