Trustees
- Richard Dunbar, Phillips County Commissioner, Chair: Elected to a 3-year term (02/2022 – 02/2025)
- Greg Chilcott, Ravalli County Commissioner, Vice Chair: Elected to a 3-year term (02/2021 – 02/2024)
- Mary Armstrong, Valley County Commissioner: Elected to a 3-year term (02/2022 – 02/2025)
- Steve Holton, Ravalli County Sheriff: Member County Elected Sheriff, 3-year term (02/2022 – 02/2025)
- Shane Gorder, Richland County Commissioner: Elected to a 1-year term (02/2022 – 02/2023)
- Roman Zylawy, Mineral County Commissioner: MACo President, 1-year term (02/2022 – 02/2023)
- Ross Butcher, Fergus County Commissioner: MACo 1st Vice President, 1-year term (02/2022 – 02/2023)
The Board of Trustees consists of the MACo President, 1st Vice President, and a Member County Sheriff. The remaining four (4) members are to be elected by the members of the MACo PCT at the their annual membership meeting for a staggered term of 3 years each.