UCCE Sonoma County
University of California
UCCE Sonoma County

Contact Us

UCCE 4-H Team

Steven Worker

Dr Steven M. Worker

4-H Youth Development Advisor serving Marin, Sonoma, and Napa
(415) 473-4207 

  • Academic leadership for the 4-H program in Sonoma, Marin, Napa counties.
  • Grow new 4-H programs and develop curriculum; specific charge from the University to reach Latino youth.
  • Conduct applied research in youth development and informal science education.
  • 4-H liaison to National and State 4-H Offices, youth organizations, and the community.



Ms Judy Ludovise

4-H Youth Development Program Representative
(707) 565-2681 

  • Leadership and oversight for Sonoma 4-H Community Clubs and 4-H Camp. Work collaboratively with the 4-H community.
  • Provide direction and guidance to the County 4-H Clubs Council Executive Committee.
  • Provide oversight for countywide 4-H activities and events.
  • Coordinate 4-H volunteer leader training and background checks.


Mr Diego A. Mariscal

UC 4-H Outreach Coordinator

  • Leadership and oversight for Sonoma 4-H Afterschool Clubs and summer 4-H day camps.
  • Promote 4-H in Sonoma with community, school, and non-profit organizations.
  • Increase Latino youth membership in 4-H in partnership with the UC 4-H Latino Initiative seven-county pilot project.
  • Develop bilingual literature and training modules for 4-H volunteers and new members.


Jesenia Mendoza

4-H Administrative Aide and UCCE Outreach Coordinator

  • Administrative support for all programs housed within the UC Cooperative Extension.
  • Maintain 4-H records and coordinate required paperwork for 4-H clubs and programs.
  • Develop bilingual outreach materials for delivery to the public.
  • Track UCCE safety plans, audits, and training requirements and ensures that plans and inspections are completed and up-to-date.


University of California Cooperative Extension, Sonoma County
133 Aviation Blvd Suite 109, Santa Rosa, CA 95403  Phone: 707.565.2621  Fax: 707.565.2623
Office Hours:  M-F, 8am-Noon & 1pm-4pm

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Webmaster Email: klgiov@ucanr.edu