California Water Service


California Water Service (Cal Water) is the largest regulated American water utility west of the Mississippi River and the third-largest in the country. Formed in 1926, the San Jose-based company serves 492,600 customer connections through 23 districts throughout the state.





Org chart

Martin A. Kropelnicki
President & CEO

Martin A. Kropelnicki

Elissa Ouyang
Chief Procurement & Lead CI Officer
Gerald A. Simon
Vice President and Chief Safety, Security, and Emergency Preparedness Officer
James P. Lynch
SVP, CFO & Treasurer
Michael B. Luu
Vice President of Customer Service and Chief Information Officer
Greg Milleman
Vice President, California Rates
Michael Mares
Vice President, California Operations
Michelle R. Mortensen
Corporate Secretary
Paul G. Townsley
Vice President of Rates and Chief Regulatory Affairs Officer
Robert J. Kuta
Vice President of Engineering and Chief Compliance Officer
Ronald D. Webb
Vice President, Human Resources
Shannon C. Dean
Vice President, Corporate Communications and Community Affairs
Thomas F. Smegal
Vice President, Chief Financial Officer and Treasurer
Shilen M. Patel
Chief Business Development Officer
Kenneth G. Jenkins
Chief Water Resource Sustainability Officer
Daryl L. Osby
VP, Emergency Preparedness, Safety & Security
Shawn C. Bunting
SVP, General Counsel & Business Development
Tom Scanlon
Corporate Controller, Principal Accounting Officer