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Staff Directory

Welcome to the Community Development Commission! Our office is located at 1440 Guerneville Road, Santa Rosa, CA 95403. 

We are committed to answering your inquiries. Please use the contact list below to find the appropriate staff member. Contacting multiple staff members with the same inquiry will delay our ability to respond swiftly.

For general questions or to determine the appropriate staff member to speak with, please call (707) 565-7500.

DescriptionPhone Number
Main Number(707) 565-7500
Español(707) 565-7503
FAX(707) 565-7583
TDD(707) 565-7555

Administrative Support

Main ReceptionCustomer Service Team(707)

What's on This Page:

Telephone and Email Directory


Margaret Van VlietExecutive Director(707)
Geoffrey RossAssistant Executive Director (707) 565-7508
Janelle WetzsteinPolicy and Communications Liaison(707)
Felicity GasserFederal Funding Administrator (707)
Holly KelleySenior Community Development Specialist(707)
Dawn GutschAdministrative Services Officer(707)
Sonya KellerExecutive Secretary(707)

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Affordable Housing and Financing

Benjamin WickhamAffordable Housing Director(707) 565-7542benjamin.wickham@sonoma-
Valerie Johnson

Senior Community Development Specialist: Asset Management and Preservation Specialist

Diedre DuncanAffordable Housing Development and Preservation Specialist(707)
Angela MorganAffordable Housing Finance Supervisor(707)
Maria ContrerasAffordable Housing Finance Specialist(707)
Darrin O'HaraAdministrative Aide(707)

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Homeless Services

NameTitle Phone Email
Jenny AbramsonHomeless & Community Services Manager(707)
Michael GauseHomeless Programs Coordinator(707)
Karissa WhiteSenior Community Development Specialist(707)
Chuck MotternPublic Services Funding Coordinator(707)
Daniel Overbury-HowlandDepartment Information Systems
Suzanne WhippleCommunity Development Specialist(707)

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Housing Authority and Rental Assistance

Eligibility Section

Martha CheeverHousing Authority Manager (707)
Tracy BeckerProgram Compliance Officer(707)
Guadalupe SilvaInspection Specialist(707) 565-7534
Orbelina LandaverdeHousing Locator & Landlord Liaison(707)
Jen MazzamutoSenior Community Development Specialist(707)
Edith OcegueraBilingual Occupancy Specialist(707)
Mary ZepponiOccupancy Specialist(707)
Bianca BelmontOccupancy Specialist (707) 565-3045
Nadia CurielOccupancy Specialist (707)
Thai HiltonSpecial Programs Coordinator(707)
Deborah MedinaOccupancy Specialist(707)
Sonia PerezBilingual Occupancy Specialist (707) 565-1974

Office Support Staff

NameTitle Phone E-mail
Cynthia MeiswinkelSenior Office
Support Supervisor
Bryan KrollSenior Office Assistant(707)
Joni Buhner Extra Help Senior Office 
Susan Anton-TracyOffice Assistant(707)
VacantBilingual Office Assistant
Alexander McDermott SwansonOffice Assistant (707)
VacantExtra Help Office Assistant (707) 565-7501

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Construction Services and Property Preservation

NameTitle Phone Email
Kirsten LarsenConstructions Services Supervisor(707)
Jason GaddisHousing Rehabilitation Specialist(707)
Marc ChandlerHousing
Rehabilitation Specialist
Shelley TicehurstAdministrative Aide(707)

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Contact Information

Geoffrey M. Ross

Interim Executive Director

Business Hours
Monday – Friday
8:00 AM – 5:00 PM

1440 Guerneville Road

Santa Rosa, CA 95403
38.457092, -122.733925