He served four terms in the Montana House of Representatives and was elected to the state senate in 2007.
In 2010, Representative Kendall Van Dyk defeated Brown in the general election.
From 1974 to 1982 Brown worked for Marathon Oil Company in energy development, a job that took him around the world.
Brown lost his 2010 bid for reelection to Democratic state representative Kendall Van Dyk in a recount by a margin of just four votes out of the 6,208 cast.
Brown supported a reduction in property taxes for Montanans as well as increased coal development as a means of spurring economic gains and funding the state's educational system.