I think a lot of people are going to be confused about what a Fire Commission/er is. It sounds very impressive and as if these people are experts in fire science. These are not Fire Chiefs.
So far this is the best description I can find though it is from a different part of the country. But this, I think, is typical. A fire commissioner doesn’t necessarily have any experience in firefighting or education in fire science. It’s a minor elected position and duties are administrative.
https://ccfd3.org/about-the-district/board-of-commissioners