Clean Harbors Executive and Leadership Team

Michael Battles, the Co Chief Executive Officer at Clean Harbors, directs the overarching corporate strategy and operational execution for the organization. Overseeing the integration of hazardous waste management and industrial service lines, the Co Chief Executive Officer ensures alignment with long-term sustainability goals and regulatory standards. This leadership role involves constant collaboration with the Board to drive growth across North American markets. By optimizing service delivery models, Michael Battles directly impacts the company's ability to manage complex environmental challenges for diverse industrial clients. Through rigorous oversight of operational performance, the Co Chief Executive Officer maintains the competitive market position of the firm. Battles consistently evaluates market trends to refine the strategic direction, ensuring that the organization remains a leader in environmental remediation and responsible resource management while delivering consistent value to stakeholders and maintaining high safety standards.

David Kellner, the Chief Financial Officer, Environmental Services at Clean Harbors, manages the financial planning, budgeting, and fiscal performance specifically for the environmental services division. Overseeing the cost structures associated with waste treatment, disposal, and recycling, the Chief Financial Officer, Environmental Services ensures that these critical operations remain profitable while meeting stringent regulatory requirements. This leadership role involves analyzing the financial viability of new environmental remediation projects across North American markets. By optimizing resource allocation within the service network, David Kellner directly impacts the operational efficiency and margin growth of the division. Through rigorous financial oversight, the Chief Financial Officer, Environmental Services provides the necessary data to support strategic decision-making regarding facility investments and service expansion. Kellner maintains a focus on fiscal discipline, ensuring that the division continues to provide high-quality waste management solutions while contributing to the overall financial health and sustainability goals of the company.

Eric Dugas, the Executive VP & Chief Financial Officer at Clean Harbors, directs the global financial strategy, capital allocation, and investor relations for the entire organization. Overseeing the financial reporting and treasury functions, the Executive VP & Chief Financial Officer ensures that the company maintains a strong balance sheet to support ongoing growth in environmental and industrial services. This leadership role involves coordinating with the Board and other C-suite leaders to evaluate mergers, acquisitions, and large-scale capital investments. By managing the financial risk profile, Eric Dugas directly impacts the long-term stability and market valuation of the firm. Through the implementation of robust financial controls, the Executive VP & Chief Financial Officer supports the execution of sustainability initiatives and infrastructure development across North America. Dugas continuously monitors economic indicators to guide the strategic financial planning that enables the company to address complex environmental challenges while delivering consistent returns to shareholders.

Jeroen Diderich, the President, Environmental Sales & Service at Clean Harbors, directs the commercial strategy and customer engagement efforts for the environmental services portfolio. Overseeing the sales teams and service delivery channels, the President, Environmental Sales & Service ensures that clients receive tailored solutions for hazardous waste collection, transportation, and disposal. This leadership role involves expanding the market reach of the company across North America by identifying new industrial sectors in need of environmental remediation. By driving revenue growth through strategic account management, Jeroen Diderich directly impacts the market share and service footprint of the organization. Through the alignment of sales objectives with operational capabilities, the President, Environmental Sales & Service ensures that the company meets the evolving needs of government agencies and private industries. Diderich continuously fosters client relationships to promote responsible resource management and long-term partnerships that address complex environmental challenges effectively.

Rebecca Underwood, the Executive VP & President, Facilities at Clean Harbors, directs the management and optimization of the extensive network of treatment, disposal, and recycling facilities. Overseeing the operational performance of these sites, the Executive VP & President, Facilities ensures that all waste processing activities adhere to the highest safety and environmental compliance standards. This leadership role involves coordinating facility maintenance and capacity expansion to meet the demands of the North American market. By driving operational excellence within the facility network, Rebecca Underwood directly impacts the efficiency and reliability of the waste management services provided to clients. Through the implementation of advanced recycling and remediation technologies, the Executive VP & President, Facilities supports the sustainability mission of the company. Underwood continuously evaluates facility throughput and safety protocols to ensure that the infrastructure remains capable of handling complex environmental challenges while maintaining regulatory integrity and operational safety.

Sharon Gabriel, the Executive VP & Chief Information Officer at Clean Harbors, architects the digital infrastructure and technology strategy supporting all environmental service operations. Managing the enterprise-wide data systems, the Executive VP & Chief Information Officer drives the implementation of secure, scalable platforms that facilitate waste tracking, transportation logistics, and regulatory reporting. This leadership role involves modernizing internal workflows to enhance operational efficiency across the North American network. By leveraging advanced analytics, Sharon Gabriel directly impacts the ability of the company to provide real-time environmental safety data to clients. Through the deployment of robust cybersecurity frameworks, the Executive VP & Chief Information Officer protects critical infrastructure and sensitive operational information. Gabriel continuously aligns technological investments with the broader mission of environmental protection, ensuring that digital tools empower the workforce to execute complex industrial cleaning and recycling tasks with precision and speed.

Fred Schlecht, the Executive VP & Chief Human Resources Officer at Clean Harbors, directs the talent acquisition, organizational development, and workforce safety initiatives across the company. Overseeing the human capital strategy, the Executive VP & Chief Human Resources Officer ensures that the organization maintains a highly skilled workforce capable of executing hazardous waste management and emergency spill response services. This leadership role involves fostering a culture of safety and compliance that permeates every level of the North American operations. By implementing comprehensive training programs, Fred Schlecht directly impacts the operational readiness and professional growth of the staff. Through the management of labor relations and performance systems, the Executive VP & Chief Human Resources Officer supports the overall business objective of delivering reliable environmental solutions. Schlecht continuously refines recruitment and retention strategies to ensure that the company attracts top-tier talent necessary for maintaining excellence in environmental remediation and industrial maintenance.