Board of Directors & Executive Staff
The Tres Hermanos Conservation Authority is a joint powers authority with representatives from the cities of Chino Hills, Diamond Bar, and Industry. The Board of Directors consists of seven (7) voting Directors [three (3) from the City of Industry and two (2) from each of the cities of Chino Hills and Diamond Bar] and one (1) Alternate from each Member Agency. Each Director and Alternate is appointed by the Member Agency’s City Council while concurrently holding office on the City Council for their respective agency. The selection of chair and vice chair takes place on an annual basis.

Stan Liu, Chair
Mayor Pro Tem
City of Diamond Bar

Andrew Chou
Board Member
Mayor
City of Diamond Bar

Peter Rogers, Vice Chair
Mayor
City of Chino Hills

Cathy Marcucci
Board Member
Mayor Pro Tem
City of Industry

Ray Marquez
Board Member
Council Member
City of Chino Hills

Cory C. Moss
Board Member
Mayor
City of Industry

Mark Radecki
Board Member
Council Member
City of Industry
Executive Staff
The Tres Hermanos Conservation Authority is supported by Executive Staff from the Member Agencies and serve on a bi-ennial rotating basis with the exception of the Treasurer responsibilities. Independent General Legal Counsel is appointed by the Board of Directors.
Ben Montgomery
Executive Director
City of Chino Hills
Joshua Nelson
Deputy Executive Director
City of Industry
Daniel Fox
Administrative Director
City of Diamond Bar
Cheryl Balz
Authority Secretary
City of Chino Hills
Christa Buhagiar
Treasurer
City of Chino Hills
Tracy J. Egoscue, Esq.
General Counsel
Egoscue Law Group, Inc.