Updated: November 25th, 2025

Jas Sandhar, Director of Procurement (650-363-1878), jsandhar@smcgov.org

General Questions:

Procurement Staff 

Michael Derr,
Assistant Director of Procurement

(650-363-1979) mderr@smcgov.org

       Contact Michael regarding: 

  • Procurement Compliance
  • Request for Proposal & Contract Assistance
  • Departmental Training Requests
  • Staff Management

Michael Jo,
Program Services Manager II

(650-363-4822) mjo@smcgov.org

        Contact Michael regarding:

  • Procurement Compliance
  • Special Projects
  • Commodities Purchases Oversight

Sarah Choi,
Contract Administrator II

(650-599-1313) schoi1@smcgov.org

        Contact Sarah regarding:

  • OpenGov Assistance
  • Request for Proposal & Contract Assistance
  • Procurement Compliance
  • Training
  • Special Projects
  • Printing Services Master Agreements

Carmelia Morris,
Contract Administrator II

(650-363-4116)
cmorris@smcgov.org

        Contact Carmelia regarding:

  • OpenGov Assistance
  • Request for Proposal & Contract Assistance
  • Procurement Compliance
  • Training
  • Special Projects
  • Toshiba

Philip Gin,
Office Specialist

(650-363-4864)
pgin@smcgov.org

        Contact Philip regarding:  

  • Administrative Duties
  • Punchout Programs Management (ODP, Grainger, Home Depot)
  • Purchasing Representative and Fiscal Contacts Database Maintenance
  • Vendor Agreement Master List
  • Vendor Inquiries
  • Special Projects
Buyer Assignments

Chris King,
Lead Buyer

Buyer Code: B6
(650-363-4303) cking2@smcgov.org

        Contact Chris regarding:

  • County Executive Office
  • CEO - Office of Sustainability
  • Coroner 
  • County Attorney
  • Department of Housing
  • Health - AIDS Program
  • Health - Information and Technology
  • Health - LEAP Institute 
  • Health - Public Health, Policy and Planning
  • Probation
  • Public Safety Communications
  • Retirement Office - SamCERA
  • Sheriff
  • Home Depot Contract Management

Nancy Chu,
Buyer II

Buyer Code: B7
(650-599-1582) nchu1@smcgov.org

        Contact Nancy regarding:

  • Agriculture/Weights and Measures
  • Child Support Services
  • District Attorney
  • Fire Protection Services
  • Health - Administration 
  • Health - Behavioral Health and Recovery Services
  • Health - Emergency Medical Services
  • Health - Family Health Services
  • Human Resources Department
  • Information Services Department
  • Planning and Building
  • Public Works Department
  • Tax Collector
  • Amazon User Account and Contract Management
  • ODP Contract Management
  • Vending Machine Contract Management

Tamara Seney,
Buyer II

Buyer Code: B5
(650-599-1471)
tseney@smcgov.org

        Contact Tamara regarding: 

  • Assessor-County Clerk-Recorder and Elections
  • Board of Supervisors
  • Controller
  • County Library
  • Department of Emergency Management
  • First 5 San Mateo County
  • Health - Aging and Disability Services
  • Health - Correctional Services
  • Health - Environmental Health Services
  • HIDTA/NCRIC
  • Human Services Agency
  • Office of Sustainability
  • Parks
  • PDU - Project Development Unit (CEO)
  • SMMC - San Mateo Medical Center
  • Treasurer
  • Grainger Contract Management