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Contact 4-H Office

4-H Staff


Martha Martinez
Program Assistant
(415) 473-4206

  • General 4-H Questions and Email (Front Desk).
  • Collect monthly bank statements & send statements to 4-H Club treasurers.
  • 4hOnline enrollment; review & approve enrollments; check eXtension course completion; track Live Scan; cross-club forms.
  • Facility use agreements & certificates of insurance.
  • 4-H event support.
  • Spanish language translations.

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Kayla Gulick
Title: 4-H Community Education Specialist
Phone: (415) 473-2641
Email: kgulick@ucanr.edu 

  • Oversee and manage the 4-H club, camp, & events. Ensure compliance with policy.
  • Coordinate 4-H volunteers and offer training on needed content.
  • Respond to 4-H policy inquiries.
  • First tier support to resolve conflict.
  • Convene the 4-H Expansion and Review Committee.
  • 4-H liaison to schools, organizations, youth agencies, Farm Bureau, and fairs.
  • Monitor 4-H enrollment.
  • Review and approve 4-H budgets and fundraising forms.
  • Prepare and send the monthly 4-H newsletter. 

Diego Mariscal
Title: 4-H Regional Coordinator (Region 4: Sonoma, Marin, Napa)
Phone: (707) 565-3027
Email: damariscal@ucanr.edu 

  • Supervise county-based 4-H staff
  • Ensure compliance with 4-H policies; third tier support to resolve conflict.
  • Act as a liaison to the National and State 4-H Offices.
  • Develop, implement, and evaluate 4-H programs.

Steven M. Worker 
Title: 4-H Youth Development Advisor
Phone: 415-473-4207 (Marin) 707-565-2621 (Sonoma)


  • Provide academic leadership to 4-H Clubs, camps, and other 4-H programs.
  • Provide educational resources and training to 4-H volunteers.
  • Conduct evaluation of 4-H programs.
  • Develop curriculum.
  • Conduct applied research on scientific literacy, learning in out-of-school time, positive youth development, and diversity and inclusion.
  • Extend 4-H research to youth agencies and other clientele.
  • Represent 4-H on county coalitions, boards, or collaboratives.