Administration



Byron Mathews 

Director/State Fire Marshal, Cheyenne Office 

320 West 25th St. 3rd Floor

Cheyenne, WY 82002 

Phone: 307-777-7288

Email: byron.mathews@wyo.gov 



Monica Colby

Deputy Director/Assistant State Fire Marshal, Cheyenne Office 

320 West 25th St. 3rd Floor

Cheyenne, WY 82002 

Phone: 307-777-7288

Email: monica.colby@wyo.gov




Jon Vosters

Interim Chief Electrical Inspector,      Cheyenne Office 

320 West 25th St., 3rd Floor

Cheyenne, WY 82002

Phone: 307-777-7288

Email: jon.vosters@wyo.gov.


Ian Kraft 

Fire Academy Director/Training Manager, Riverton Office 

2500 Academy Court 

Riverton, WY 82501

Phone: 307-856-6776

Email: ian.kraft@wyo.gov

Cristy Tracy

Administration & Budget Manager, Cheyenne Office 

320 West 25th St., 3rd Floor 

Cheyenne, WY 82002

Phone: 307-777-7906

Email: cristy.tracy1@wyo.gov



Annual Report:

2022

2020

2019

DFPES Non-Discrimination Notice 032524.pdf