Agriculture/Horticulture Agent

emailElizabeth D'Imperio

Elizabeth D'Imperio - Ag/Hort Agent

Elizabeth D'Imperio is the newest member of Gallatin County Extension Office.  Elizabeth comes to this office with experience as both a researcher and educator.  She has worked on projects ranging from invasive weeds to soils and has experience teaching preschoolers through adults.  She earned her Master’s Degree at Montana State in Land Resources and Environmental Sciences.

4-H Youth Development Agent

emailMolly Yurdana

Molly Yurdana - 4-H Agent Molly Yurdana joined the Gallatin County Extension office in 2020 initially as an intern, became the 4-H Assistant later that year, and became the Extension Agent in 2021. She attained two A.S degrees in Agricultural Business and Agricultural Sciences & Natural Resources from Butte College in Chico, CA before transferring to Montana State University in 2018. She graduated MSU with a B.S in Agricultural Education Extension and as a certified Leadership Fellow. 

4-H Assistant

emailColyn Wiening

Colyn Wiening - 4-H Assistant

Colyn Wiening joined the Gallatin County 4-H Extension office as the 4-H Assistant in 2021. She provides support to the 4-H programs and families. Growing up Colyn spent her summers with both sets of grandparents in Western Colorado on their fruit orchards or walking the irrigation ditches and learning about farming. Colyn double majored at Colorado State University and graduated with degrees in both Animal Science and Agricultural Business. She has spent the last several years as a 4-H volunteer with her daughters’ projects.

Administrative Assistant

email Kari Ballenger

Kari Ballenger - Administrative Assistant

Kari Ballenger is the administrative assistant providing assistance to all office agents in their events and programs. Kari joined Gallatin Extension in 2020. Kari is a registered dietitian and prior to moving to Bozeman she worked as a clinical dietitian for a community hospital.  




903 North Black Ave
Bozeman, MT 59715

Phone: (406) 582-3280
Hours: 8:00am - 5:00pm Monday-Friday