South Australian Liberal member for MacKillop.
SA Liberal Party site had the following biography on its website before the 2006 election:

Mitch Williams was born and raised in the lower South East, is married to Leonie and has four children. Educated in Millicent and he then went on to study engineering and economics at the University of Adelaide. After spending several years in the city Mitch returned to the family farm. Mitch got his first taste of public office in 1981 when he was elected to the Beachport Council and went on to serve as its Chairman from 1985 to 1989. Mitch has been a member of various community groups including the CFS and SAFF and served as a land holder representative on the SE Water Conservation & Drainage Board. Mitch was elected to the South Australian Parliament in the seat of MacKillop on 11 October 1997. While in Parliament he has been a member of many committees, both standing and select, including two involving South East Water and is currently a member of the Natural Resources Committee. In April 2004 Mitch was appointed the Liberal Party's Shadow Minister for Regional Development and Decentralisation, Mineral Resources, Administrative Services and Forestry.

MACKILLOP

Area: approx. 24 358.3km2

Location: A country seat in the south-east of the State, with pastoral, fishing and some managed forestry industry. It is bounded by the Southern Ocean to the west, the Victorian border to the east and includes the coastal towns of Robe, Beachport and Kingston South East and rural centres of Naracoorte, Millicent, Keith, Bordertown and Penola. It is one of the twenty districts unchanged at the 2003 redistribution.

History: A district created at the 1991 redistribution