[2] He was chosen by the Shooters and Fishers Party to fill the New South Wales Legislative Council vacancy caused by the death of Roy Smith on 30 July 2010.
[3] During his time in NSW Parliament, Borsak has advocated for more funding and services for rural and regional NSW,[4] defended the rights of law-abiding firearm users,[5] introduced a bill to criminalise attacks on farms by animal rights activists,[6] lobbied for further support of the greyhound racing industry[7] and railed against attempts to restrict recreational fishing.
[10] Prior to be being elected to parliament, Borsak acted as Chairman of the Game Council NSW, which sets standards for conservation hunting in Australia.
He was a guest on the 2014 show Living with the Enemy (Australian TV series)[12] Borsak is a member of a number of Legislative Council committees,[1] which scrutinise government activity.
[15] Controversially, despite routine denial of preference deals between SFFP and the Labor Party, [16] Borsak was captured on film encouraging the taxi council to start a grassroots campaign to direct voters to Labor in the run-up to the February 2023 by-election[17] In 2022, Borsak was criticised for comments that he made suggesting that independent MP Helen Dalton, who had recently left the SFF, "should be clocked.