A far right politician from Gympie, Queensland. Peterson, a former auctioneer, joined the far right One Nation Party upon its formation. Petersen became a prominent member of the party, being appointed to ONP chief of staff as well as party spokesperson for the Queensland branch.
Petersen was part of the One Nation splinter party the City Country Alliance, serving as their Executive Director. Petersen remained involved in the CCA until its eventual collapse in 2003. He currently considers himself retired from politics.