Team Members

chris dorsiChris Dorsi: Program Director

(406) 586-2033

Chris is the Director of the Montana Weatherization Training Center. He’s spent the last 40 years developing best practices for the housing industry -- publishing respected textbooks and technical curricula, developing training programs, and operating private construction organizations. 
Chris holds certifications from the Building Performance Institute as an Energy Auditor, Quality Control Inspector, Building Analyst, Heating Professional, Envelope Professional, and Healthy Home Evaluator, and is certified to proctor exams for all these specialties. He's the co-author of Residential Energy: Cost Savings and Comfort for Existing Buildings, The Homeowner’s Handbook to Energy Efficiency, and other respected titles on sustainable design and energy-efficient construction. Chris is also the founder of Habitat X, the nationwide professional development platform.

 Aaron Mugaas

Aaron Mugaas: Building Science Instructor

(406) 586-0004

Aaron brings deep and relevant experience to the team, with decades of service to the weatherization industry as both a crew member and auditor. He’s also spent time in private industry as a housebuilder and home inspector. Aaron’s training includes degrees in Biology, and study in Land Resources and Environmental Sciences. His focus at the Training Center is on health and safety, building science, hands-on training of practical skills.


Wyatt Catron

Wyatt Catron: Building Science Instructor

(406) 586-0060

With an academic background in energy science, mathematics, and economics from Western Washington University’s Institute for Energy Studies, Wyatt is focused on both classroom delivery of accurate principles of building science and on developing relevant hands-on activities in the lab. He’s currently engaged in developing new topic areas for the Center with emphasis on the three C’s of building efficiency: comfort, costs, and carbon footprints. Before joining the team at the Center, Wyatt led energy efficiency and sustainability projects at Western Washington University that included commercial LED lighting retrofits, water leakage monitoring systems, and building energy dashboards. Wyatt currently serves on the Climate Team for the Bozeman Sustainability Office.


Christine Armstrong

Christine Armstrong: Program Coordinator

(406) 586-0070

Christine manages much of the student registration, fiscal management, and marketing for the Center. A Montana native, she hails from Billings and has resided in Bozeman for over 10 years. She graduated from Montana State University with a degree in Community Health, and has worked in the government, non-profit, and for-profit sectors in administrative roles leading projects, coordinating events, and performing as an informational liaison. She is proud to be serving at the Weatherization Center under MSU and the Department of Health and Human Services as she firmly believes that healthy and protective homes are key to thriving families and communities.