Leading Executives in Sewer Services
Rohit T. Aggarwala
Commissioner, NYC DEP; Chief Climate Officer, City of New York, New York City Department of Environmental Protection (DEP)
NYC’s top water/wastewater official, he leads DEP’s multi‑billion‑dollar stormwater, CSO, and coastal‑resilience investments and serves as the City’s Chief Climate Officer; he presented DEP’s FY26 preliminary budget and capital plan to the Council on March 18, 2025.
Roy Coley
Director, Miami‑Dade Water and Sewer Department (WASD)
Appointed in 2021 to lead the largest water and sewer utility in the U.S. Southeast, he oversees major system upgrades and septic‑to‑sewer conversions tied to climate resilience across Miami‑Dade County.
Kyle Dreyfuss‑Wells
Chief Executive Officer, Northeast Ohio Regional Sewer District (Cleveland)
A nationally recognized clean‑water leader, she oversees Project Clean Lake (a 25‑year, multi‑billion‑dollar CSO control program) and regional stormwater initiatives serving more than a million residents.
Robert C. Ferrante
Chief Engineer and General Manager, Los Angeles County Sanitation Districts
Veteran engineer who leads one of the nation’s largest wastewater agencies, steering regional treatment, recycling, and ocean outfall programs for L.A. County’s 24 independent sanitation districts.
David L. Gadis
Chief Executive Officer and General Manager, DC Water (District of Columbia Water and Sewer Authority)
CEO since 2018, he leads the Clean Rivers tunnel program and systemwide renewals; under his tenure DC Water secured major WIFIA financing and advanced equity‑focused initiatives.
John C. Griffith
President and Chief Executive Officer, American Water
Took the helm in May 2025 to lead the largest U.S. investor‑owned water and wastewater utility, overseeing a decade‑long $40B+ capital plan and an active utility acquisition program.
Kamuron Gurol
Division Director, King County Wastewater Treatment Division (Seattle metro)
Directs regional wastewater treatment and CSO control for greater Seattle; under his leadership WTD earned Salmon‑Safe certification for the Coal Creek Sewer Upgrade (Apr 2025).
about WTD | directory (leadership)
Randy E. Hayman
Executive Director, Sewerage & Water Board of New Orleans (SWBNO)
Began as executive director in July 2025 to accelerate drainage power modernization and water/wastewater upgrades across New Orleans’ century‑old systems.
press release | press release (announcement)
Dennis J. Herrera
General Manager, San Francisco Public Utilities Commission (SFPUC)
As GM since 2021, he leads SF’s integrated water, wastewater, and power utility, advancing sewer system upgrades and climate resilience across a combined sewer network.
Andrew Lee
General Manager and Chief Executive Officer, Seattle Public Utilities (SPU)
SPU’s GM/CEO since 2022, he is widely recognized for advancing smart water/wastewater technologies, asset management, and equitable service delivery for Seattle’s drainage and wastewater systems.
Spencer S. Lee
Chairman and Chief Executive Officer, Roto‑Rooter Management Company, Roto‑Rooter (Chemed Corp. subsidiary)
Long‑time industry executive leading North America’s largest plumbing, sewer, and drain cleaning service provider with a nationwide footprint supporting municipal and private sewer systems.
company (parent) | company (service)
John Murray
Interim Executive Director, Metropolitan Water Reclamation District of Greater Chicago (MWRD)
Appointed interim executive director in March 2025 to guide the nation’s second‑largest wastewater utility through leadership transition and ongoing CSO/TARP modernization.
David Parry
Chief Executive Officer, Wind River Environmental
Former Clean Harbors executive now leading one of the largest consolidators of non‑hazardous wastewater, septic and grease services in the U.S., executing an active M&A and growth strategy in 2025.
Matthew Pine
President and Chief Executive Officer, Xylem Inc.
Became CEO on Jan. 1, 2024; now leads the world’s leading water technology portfolio (including wastewater pumps, treatment, analytics) with a strong focus on digital/utility transformation.
Robert R. Puente
President and Chief Executive Officer, San Antonio Water System (SAWS)
At SAWS since 2008, he has driven major water supply diversification and large wastewater system improvements; SAWS serves more than 2 million people with water and sewer services.
Rob Thompson
General Manager, Orange County Sanitation District (OC San)
A 30‑year OC San veteran named GM in 2023; he oversees treatment, recycling, and a $2.7B+ capital program serving 2.6 million people in Orange County.
Rob Tullman
President and Chief Executive Officer, Azuria (formerly Aegion Corporation)
As CEO, he led Aegion’s transition to Azuria Water Solutions and a string of acquisitions since 2022, expanding trenchless rehab and water/wastewater services across North America.
company news | transaction release
Frédéric (Fred) Van Heems
President and Chief Executive Officer, Veolia North America
Appointed VNA CEO in 2021, he leads Veolia’s U.S./Canada water and wastewater operations (municipal and industrial), including PFAS treatment deployments and workforce initiatives.
about (Inclusion page) | news (workforce partnership)
Mike Vellano
President and Chief Executive Officer; Founder, Vortex Companies
Founder‑CEO of a fast‑growing trenchless rehabilitation platform delivering CIPP, geopolymer, UV‑CIPP and robotics solutions for municipal and industrial sewer assets across the U.S. and abroad.
Henry F. Vitale
Executive Director/Treasurer, Boston Water and Sewer Commission
Executive director since 2013, he manages New England’s largest combined water, sewer, and stormwater system and has led BWSC to multiple state and national performance awards.
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