Personnel Commission Services

At a Glance

The Personnel Commission staff is committed to providing "hands-on" service support in helping you meet all your classified human resources management needs while fulfilling our purpose to uphold the principles of fairness, consistency, and accountability in administering our merit-based employment program.

Merit System Rules and Regulations

A copy of the Merit System Rules and Regulations can be found here.

Personnel Commissioners


  • Board of Education Appointee
  • Original Appointment Date: February 7, 2018
  • Latest Appointment Date:  February 7, 2018
  • B.S. in Elementary Education & Psychology – Russell Sage College
  • Juris Doctor – UC Hastings, College of Law
  • Member, California State Bar

Chelsea Bonini joins the Commission with recent experience as a member of the Governing Board of the San Mateo-Foster City School District.  During her term, she served on the Executive Board of the San Mateo County School Boards Association and on Assemblymember Kevin Mullin’s Educational Advisory Committee.

Ms. Bonini began her career as a Kindergarten First Grade and Title I reading teacher in the South San Francisco Unified School District from 1994 to 1998.  She attended law school at UC Hastings, graduated, and was admitted to the California State Bar in 2001. Ms. Bonini continues to practice law, serving the needs of a variety of individual and business clients, as well as working part-time as In-House Corporate Counsel for Lundberg Family Farms.

Ms. Bonini has consistently served in community-based leadership roles including various task forces and steering committees within San Mateo County.  Her work focus is on housing, wellness, early literacy, access to Arts, advocacy for equitable opportunities, and support structures for all students including students with special needs.



  • Personnel Commission Appointee
  • Original Appointment Date: July 14, 1999
  • Latest Appointment Date: December 1, 2018
  • B.A. in History – Stanford University
  • M.A. in Counseling Psychology – UC Berkeley
  • Juris Doctor – Santa Clara University

Christine Coffey brings to the Commission a broad-based employment background in education and public service.  She has held positions as a college Counselor and Assistant Dean of Students, and worked with the Educational Testing Service in the examination development division.  Ms. Coffey has served as Director, Small Claims Advisory in San Mateo County where she held roles advising small claims litigants and resolving matters with California Consumer Affairs Department.  In addition, she has served as a consumer board arbitrator and as member on the ADA Compliance Committee for the Commission on Disabilities.



  • Classified Employees Appointee
  • Original Appointment Date: September 12, 1972
  • Latest Appointment Date:  December 1, 2016
  • B.A. in Economics – University of San Francisco
  • Graduate Studies in Economics – UC Berkeley
  • M.P.A. – Golden Gate University

Paul Scannell is the longest serving San Mateo County Personnel Commissioner.  He has provided exemplary service on the Personnel Commission for over 44 years through his outstanding leadership, unwavering commitment to merit system principles, and broad-based public sector management experience.

Mr. Scannell started his career working at the United States Department of the Treasury as inspector for the Alcohol, Tobacco, and Firearms Division.  He later served as Business Agent and Business Manager for SEIU Local 400 in San Francisco for six years.  He spent over eleven years of local government service at the City and the County of San Francisco in various departments and commissions.

He served as Assistant County Manager at the San Mateo County Manager’s Office for 25 years where he was honored for his work as part of the Capital Projects Committee for the County and for overseeing the Construction of the Maguire Jail Facility, the San Mateo Medical Center, the Crime Lab, 555 County Center, and the parking garage.  He supervised the sale of more than $800 million in public financing and refinancing for various County projects and services.