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.


Nicholas Thomas

Nick Thomas: Building Science Instructor

(406) 586-0060

Growing up in the Gallatin Valley has offered Nick years of demolition, renovation and building experience as well as a keen knowledge of different building structures and ways of protecting homes from harsh Montana climates. He brings several years of weatherization field experience to the Training Center after working for the HRDC energy assistance program. His standardized work specifications (SWS) and code compliance knowledge shapes his teaching focus toward workplace safety and crew efficiency.


Christine Armstrong

Christine Armstrong: Program Manager

(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.