Meet the Personnel Commissioners

Picture of Commissioner David H. Iwata, ChairDavid H. Iwata, Chair

Member since December 6, 2001 

Mr. Iwata has vast experience in serving on various commissions and councils in both the public and private sectors including the City Treasurer’s Office Linked Banking Program Community Oversight Board, various boards and councils for California State University, Northridge, the Board of Directors for the Asian Business Association, the Business Advisory Commission for the Speaker of the California State Assembly, the Board of Directors for the Valley Industry and Commerce Association, the Board of Directors for the U.S. – Mexico Chamber of Commerce and the LAUSD Focus on Student Achievement Council. Mr. Iwata is presently affiliated with LD2 Marketing Group, Dunn and Associates, the Economic Alliance of San Fernando Valley, and the San Fernando Valley Conference and Visitors Bureau in a consulting capacity. Prior to this, Mr. Iwata had a twenty-year career with Marriott International in sales and marketing. Mr. Iwata has brought new skills and perspective to the Commission.


Picture of Commissioner Diva Sanchez TrevinoDiva Sanchez Trevino, Vice Chair 

Member since May 13, 2020 

Ms. Diva Sanchez Trevino started her career in the non-profit sector where she developed support programs aimed at empowering underserved communities. The positions she subsequently held in the capacity of an Internal Organizer and Union Representative for Service Employees International Union Local 99 (SEIU 99) as well as the experience she gained in the field of employee and labor relations equipped her with skills to work collaboratively with all stakeholders of an agency to solve complex employment issues. She currently serves as a Manager of Labor Relations for the California State University system, which is composed of 23 campuses across the state and approximately 50,000 employees. Prior to this position, she served as an Employee Relations Specialist with the Los Angeles Community College District for several years. As a Personnel Commissioner, Ms. Sanchez Trevino’s goal is to promote equality, inclusiveness, and collaboration among all stakeholders of the District to further the interests of classified employees. 

Hope Singer

Member since April 21, 2021

Ms. Hope J. Singer received her law degree from Rutgers University in New Jersey. She spent her first seven years of practice as a Field Attorney for the National Labor Relations Board, first in Newark, N.J and then in Los Angeles. In 1987 she went into private practice as a labor law, became a Partner in the law firm and practiced both public sector and private sector labor law for over thirty years. In her public sector work she appeared before various Personnel Commissions as well as the California Public Employment Relations Board (PERB). She has presented and defended dozens of arbitrations. She no longer practices in the public sector. Ms. Singer has frequently lectured at American Bar Association conferences and taught labor law at Southwestern Law School as well as through the LACCD.