Tony Simpson MLA is the current Member for Darling Range. The electorate of Darling Range is one of the largest and most diverse in the metropolitan area, taking in the towns of Mount Helena and Chidlow at its northern boundary, extending to Pickering Brook and the orchards of Roleystone and the suburbs of Kelmscott and Forrestdale and including all of the Shire of Serpentine Jarrahdale.
Tony was elected as the Member for Serpentine Jarrahdale in the 2005 state election but at the last election in 2008, the electorate of Serpentine Jarrahdale was absorbed into Darling Range.