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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

NameTitlePhoneE-mail
Main ReceptionCustomer Service Team(707) 565-7501cdc@sonoma-county.org

What's on This Page:

Telephone and Email Directory

Administration

NameTitlePhoneE-mail
Dave KiffInterim Executive Director(707) 565-7504dave.kiff@sonoma-county.org
Susan VahlstromExecutive Secretary(707) 565-7505 susan.vahlstrom@sonoma-county.org

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Monitoring and Compliance

Name Title Phone Email 
Valerie Johnson Senior Community Development Specialist(707) 565-7514valerie.johnson@sonoma-county.org  
Veronica Ortiz-De Anda Section 504 Coordinator (707) 565-7520veronica.ortiz-deanda@sonoma-county.org
Rhonda Coffman   Community Development Assistant Manager  (707) 565-7542rhonda.coffman@sonoma-county.org
Matthew Burns Administrative Aide(707) 565-1268matthew.burns@sonoma-county.org

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Affordable Housing and Financing

NameTitlePhoneEmail
Marc Chandler Affordable Housing Acting Manager (707) 565-7524marc.chandler@sonoma-county.org
Maria ContrerasCommunity Development Associate(707) 565-7414maria.contreras@sonoma-county.org
Paul OsmundsonSpecial Projects Director(707) 565-1996paul.osmundson@sonoma-county.org
Jason GaddisHousing Rehabilitation Specialist (707) 565-7545 jason.gaddis@sonoma-county.org
Shelley TicehurstAdministrative Aide(707) 565-7553shelley.ticehurst@sonoma-county.org 
Chris RaschkeAdministrative Aide(707) 565-7523christopher.raschke@sonoma-county.org
 Ray Tovar Affordable Housing Asset Coordinator  (707) 565-7526ray.tovar@sonoma-county.org

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Ending Homelessness

NameTitle Phone Email
Michael GauseEnding Homelessness Manager(707) 565-1977michael.gause@sonoma-county.org
Thai HiltonCoordinated Entry Coordinator(707) 565-7548thai.hilton@sonona-county.org
Karissa WhiteContinuum of Care Coordinator(707) 565-1884karissa.white@sonoma-county.org 
Chuck MotternCommunity Development Associate(707) 565-7554chuck.mottern@sonoma-county.org
 Erika BernheimerQuality Assurance Specialist  (707) 565-2119 erika.bernheimer@sonoma-county.org
Suzanne WhippleHomeless Services Administrative Specialist(707) 565-7502suzanne.whipple@sonoma-county.org
Daniel Overbury-HowlandDepartment Information Systems Specialist(707) 565-7541daniel.overbury-howland@sonoma-county.org
 Adam SiegenthalerDepartment Information Systems Tech (707) 565-2081 adam.siegenthaler@sonoma-county.org
Madison MurrayAdministrative Aide(707) 565-7508madison.murray@sonoma-county.org

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Housing Authority and Rental Assistance Eligibility Section

NameTitlePhoneE-mail
Martha CheeverHousing Authority Manager (707) 565-7521martha.cheever@sonoma-county.org
Tracy BeckerProgram Compliance Supervisor(707) 565-7518tracy.becker@sonoma-county.org
Cynthia MeiswinkelIntake Supervisor(707) 565-7519cynthia.meiswinkel@sonoma-county.org
Jen MazzamutoSenior Community Development Specialist(707) 565-7527jennifer.mazzamuto@sonoma-county.org
Guadalupe SilvaHousing Specialist(707) 565-7534 guadalupe.silva@sonoma-county.org
Orbelina LandaverdeHousing Negotiator - Inspector(707) 565-7515orbelina.landaverde@sonoma-county.org
Jacquelyn Hull Housing Navigator (707) 565-8253jacquelyn.hull@sonoma-county.org
Valerie Schlafke Housing Navigator 

valerie.schlafke@sonoma-county.org

Bianca BelmontOccupancy Specialist (707) 565-3045 bianca.belmont@sonoma-county.org
Edith OcegueraOccupancy Specialist(707) 565-7536edith.oceguera@sonoma-county.org
Deborah MedinaOccupancy Specialist(707) 565-1845deborah.medina@sonoma-county.org
Nadia CurielOccupancy Specialist (707) 565-7533nadia.curiel@sonoma-county.org
Mary ZepponiOccupancy Specialist(707) 565-4231mary.zepponi@sonoma-county.org
Sonia PerezOccupancy Specialist (707) 565-7525 sonia.perez@sonoma-county.org
Katie SherwinIntake Specialist (707) 565-4510katie-sherwin@sonoma-county.org
Audrianna Jones Intake Specialist(707) 565-7529audrianna.jones@sonoma-county.org
Annie HuynhIntake Specialist(707) 565-1974annie.huynh@sonoma-county.org

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Office Support Staff

NameTitle Phone E-mail
Kitty JohnsonFront Office Supervisor(707) 565-1255

catherine.johnson@sonoma-county.org

Alejandra MartinezOffice Assistant (707) 565-7501Alejandra.martinez-ochoa@sonoma-county.org
Alma Garcia-GonzalezOffice Assistant(707) 565-7501Alma.garcia-gonzalez@sonoma-county.org
Naya JamesSenior Office Assistant(707) 565-4643naya.james@sonoma-county.org
Bryan KrollSenior Office Assistant(707) 565-7540bryan.kroll@sonoma-county.org
Aimee Dinov Office Assistant   (707) 565-7501 aimee.dinov@sonoma-county.org
Susan AntonOffice Assistant(707) 565-7532susan.anton@sonoma-county.org

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Finance

Name Title Phone Email 
Arvan WilliamsSupervising Accountant(707) 565-7835arvan.williams@sonoma-county.org
Dawn ChandlerSupervising Accountant(707) 565-7509dawn.chandler@sonoma-county.org
Susan BookmyerAccountant(707) 565-7546susan.bookmyer@sonoma-county.org
Mike PetersenAccountant(707) 565-7522mike.petersen@sonoma-county.org
Jane KeylonAccounting Technician(707) 565-1978jane.keylon@sonoma-county.org
Kathleen TannehillAccounting Technician(707) 565-7511kathleen.tannehill@sonoma-county.org
Stacy VasquezAccount Clerk(707) 565-7516stacy.vasquez@sonoma-county.org 

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Contact Information

Dave Kiff

Interim Executive Director

Business Hours
Monday – Friday
8:00 AM – 5:00 PM
Contact us by Phone
Address

1440 Guerneville Road

Santa Rosa, CA 95403
38.457092, -122.733925
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