Clean Harbors (CLH) Names Eric Gerstenberg Sole CEO As Growth Plan Takes Shape

• Clean Harbors (NYSE:CLH) appointed Eric Gerstenberg as sole CEO, ending the co-CEO structure that began in 2023.
• The leadership change was announced alongside a new investment in a Los Angeles hub focused on operational efficiency and growth projects.
• Management linked the Los Angeles facility to initiatives in PFAS treatment and data center remediation services.
• The move to a sole CEO and the Los Angeles investment comes alongside raised guidance and reflects a broader shift in how Clean Harbors plans its next phase of expansion. We have also flagged 2 warning signs for Clean Harbors.

For more context on this sector, explore other companies with similar leadership structures and long-term founder influence through 28 top founder-led companies.

Clean Harbors provides environmental and industrial services across the US and Canada. This leadership shift and Los Angeles build-out sit within a business that deals with hazardous waste handling, remediation work, and other critical support for commercial and industrial clients.

Does the team leading Clean Harbors have what it takes? See our full breakdown of the management team's track record and compensation.

Why does making Eric Gerstenberg sole CEO matter for Clean Harbors?

Gerstenberg has been with Clean Harbors since 1989 and has already run core operations including incinerators, re refineries and much of the workforce as COO. Moving to a single chief executive concentrates decision making with an operator who knows the disposal network in detail, which can help execution as projects scale.

Does this CEO change and Los Angeles hub investment shift the Clean Harbors Narrative?

The Narrative focuses on turning scarce hazardous waste capacity, PFAS projects and data center work into higher margin Environmental Services and Sustainability Solutions earnings. Putting a long tenured operator in the top role while funding a US$55 million Los Angeles hub tied to PFAS and data center remediation points directly at that same playbook rather than a new direction.

See how these catalysts shape Clean Harbors' path to a $360 fair value.

What should investors watch next from this Clean Harbors update?

The key near term marker is how fourth quarter 2026 GAAP net income compares with the US$528 million to US$563 million full year guidance range. Progress on the Los Angeles build, including any disclosed timeline for capacity coming online or PFAS and data center related contracts flowing through, will also be important to track into 2027.

One more Clean Harbors question investors should not skip

All the leadership moves and project plans still leave one big piece of the puzzle unresolved: what the stream of cash this business produces implies about its underlying value versus where the shares trade today. Find out exactly what Clean Harbors is worth today based on its cash flows.

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