City Council and City Services Contact Information

Thornton is a home rule city operating under the Council - Manager form of government. The city council consists of the Mayor, elected at large, and eight Council members, two elected from each of the city's four wards. Note: Please direct all invitations or requests for attendance to the City Manager’s Office to 303-538-7200 or citymanager@cityofthornton.net.​

Heidi Williams
Mayor
heidi.williams@cityofthornton.net
303-538-7531

Jacque Phillips
Councilmember , Ward 1
jacque.phillips@cityofthornton.net
303-538-7537

Eric Montoya
Councilmember, Ward 2
eric.montoya@cityofthornton.net
303-538-7536

Josh Zygielbaum
Councilmember, Ward 3
josh.zygielbaum@cityofthornton.net
303-538-7532

Adam Matkowsky
Councilmember, Ward 4
adam.matkowsky@cityofthornton.net
303-538-7530

Sherry Goodman
Councilmember, Ward 1
sherry.goodman@cityofthornton.net
303-538-753

Jessica Sandgren
Councilmember, Ward 2
jessica.sandgren@cityofthornton.net
303-538-7535

Sam Nizam
Councilmember, Ward 3
sam.nizam@cityofthornton.net
303-538-7533

Janifer Kulmann
Mayor Pro Tem
jan.kulmann@cityofthornton.net
303-538-7201