• Clean Harbors founder Alan S. McKim signaled plans to retire from the board and step down as chief technology officer once the board appoints a new chair.
• The board expects to name an independent chair later this summer as part of a planned leadership transition.
• McKim led the company as chairman and CEO until 2023, then shifted to executive chairman and CTO.
• Leadership is currently led by co-CEOs Eric Gerstenberg and Mike Battles.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Clean Harbors Inc. published the original content used to generate this news brief via Business Wire (Ref. ID: 20260520626765) on May 20, 2026, and is solely responsible for the information contained therein.