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Clean Harbors Names Eric Gerstenberg Sole CEO as Co-CEO Mike Battles Retires

Clean Harbors will be led solely by Eric Gerstenberg from January 1, 2027, while co-CEO Mike Battles retires from the company and its board at year-end 2026.

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what happened

Clean Harbors, Inc. said Eric Gerstenberg will become its only chief executive starting January 1, 2027. Co-CEO Mike Battles will step down as co-CEO and leave the board of directors on December 31, 2026, and will then act as a strategic adviser during 2027.

Chairman Rob Willett said Gerstenberg has been with the company since 1989 and co-led it with Battles since March 2023, a period in which Clean Harbors reported record revenue and profit and more than tripled its share price. Battles, who earlier served as chief financial officer for seven years, was credited with key roles in value-enhancing initiatives and acquisitions.

why it matters

For a company in hazardous waste management and industrial services, a planned succession led by a long-serving insider is usually seen as a low-drama event. The announcement includes no new financial figures or guidance, so its impact on the shares is likely to be limited.

tags

Leadership changeStockUnited States

instruments

CLH

sources

  1. Clean Harbors Announces Eric Gerstenberg as CEO; Mike Battles to Retire as Co-CEO and Director at Year-End — TradingView, 28 October 2026 at 11:31 UTC
  2. Clean Harbors, Inc. (CLH) Names Eric Gerstenberg Sole CEO; Co-CEO Battles to Retire — TradingView, 28 October 2026 at 11:31 UTC
  3. Clean Harbors Announces Eric Gerstenberg As CEO Mike Battles To Retire As Co-CEO And Director At Year-End — Reuters, 28 October 2026 at 11:42 UTC
  4. Clean Harbors names Eric Gerstenberg sole CEO; Mike Battles to retire — Seeking Alpha, 28 October 2026 at 11:38 UTC
  5. Clean Harbors Co-CEO Mike Battles to Retire — Dow Jones Newswires, 28 October 2026 at 11:53 UTC

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