People make the difference

We are honored to have the nation’s largest specialized work force helping our customers find new solutions to natural waste challenges, and we are proud to have some of the country’s most experienced industry experts behind the decisions that make our services consistently unique, reliably safe and always powerful.

  • D. Eric Zimmer President & Chief Executive Officer more »

    Eric Zimmer is President & Chief Executive Officer of Synagro.  He joined the Company in 2011 initially charged with delivering new growth in all facets of wastewater capture and conversion services, enhancing the customer service experience, and developing new service programs for industrial customers. Zimmer has more than 22 years of experience in the environmental services industry with a proven track record in understanding the needs of the customer, improving top-line and operating results, identifying and developing new opportunities in existing and emerging areas, and driving operational execution by creating fast-paced, results-oriented environments. Prior to joining Synagro, Zimmer served as Executive Vice President and Division General Manager of the branch sales and services division at Safety-Kleen Corporation.  During his 14-year tenure at the company, he created and implemented go-to market strategies, led multiple business redesigns, and helped lead the company out of bankruptcy.  In each of these initiatives, Zimmer was able to substantially grow the business by improving the products and services to the customers they served.  Additionally, Zimmer held business development, operations and project management roles at companies such as Laidlaw Environmental Services, Smith Technologies, and Westinghouse Corporation.  At these organizations, he gained valuable industry experience in a wide variety of environmental services areas such as hazardous waste management, site services and remediation. Zimmer received his Bachelor of Arts in Chemistry from the University of Missouri and his MBA from Southern Methodist University.

  • Chris Dunkerley Vice President & Chief Financial Officer more »

    Chris Dunkerley joined Synagro as Vice President and Chief Financial Officer in June 2013. He is responsible for the financial operations of the organization, with the goals of driving cost management and supporting the Company’s trajectory of strategic financial growth. Dunkerley’s experience within the water industry coupled with his in-depth knowledge of organizational leadership, investor relations, and financial planning, combines to contribute to his history of spearheading extensive financial growth and development.

    Dunkerley came to Synagro with over 25 years of experience in both multinational and start-up companies. Prior to joining Synagro, Dunkerley served as Chief Operating Officer and Chief Financial Officer of Redzone Robotics, where he was instrumental in helping them exceed their institutional financing objectives, and design and execute on their strategic plan.

    Prior to Redzone Robotics, Dunkerley led Siemens Water Technologies as Executive Vice President and Chief Financial Officer. He oversaw financial operations following the $1 billion acquisition of USFilter and maintained responsibility for P&L, including the cultivation and supervision of financial metrics and performance indicators. During his tenure the business more than doubled in sales volume.

    Dunkerley held senior management positions with Siemens from 1984-2009 in both the United Kingdom and United States.

    Dunkerley is a graduate of Kingston University, Surrey, UK, where he received a Diploma in Business Studies and Finance.

  • Mark B. McCormick Executive Vice President & Chief Operating Officer more »

    Mark joined the Synagro management team in 2000. In his current role, Executive Vice President & Chief Operating Officer, McCormick leads all operations, which includes three regional thermal reduction facilities, eight biosolids drying facilities, three regional Class A composting operations and all Service Division operations. McCormick also oversees the Company’s EPIC rail division. His oversight of these operating groups enables him to ensure laser focus on business objectives, efficient operational performance and customer satisfaction.

    Mark McCormick has more than 30 years of experience in chemical and biosolids industries. He became a part of the Synagro team through its acquisition of Residuals Technologies, Inc., a start-up company that developed regional merchant biosolids processing facilities using existing municipal thermal processing assets.  His 12-year tenure at the company included managing the design, build, construction and operation of three merchant biosolids facilities in New England, which developed a strong customer base of more than 100 municipalities.  Prior to Residuals Technologies, he spent 10 years at Uniroyal Chemical in engineering and production management rolls.

    Upon joining Synagro he continued his management over sight of the incinerator facilities improving operations and increasing profitability. In 2004 he added management responsibility for the east coast thermal drying facilities, increasing the profitability of the largest operation 100% through efficiency improvements and cost reductions.  In 2007 he added management responsibility for the company’s rail operation and New England event services expanding its New York City base operations.

    McCormick holds a Bachelor of Science degree in Chemical Engineering from Northeastern University.