David Speirs was elected to the South Australian Parliament as the Member for Bright in 2014. The electorate has since been renamed Black following boundary changes.
He was elected Leader of the Liberal Party in April 2022, becoming South Australia's 44th Leader of the Opposition.
David was appointed as the Minister for Environment and Water in the Marshall Government in March 2018.
In the year prior, David served as the Shadow Minister for Environment and Water.
During his time as Minister, David oversaw significant reform in the portfolio such as the opening up of South Australia's reservoirs for recreational access, the establishment of Green Adelaide and regional landscape boards, significant reduction of water bills and an increase in the land protected as national parks including the creation of Glenthorne National Park in Adelaide's southern suburbs and Australia's biggest national park at the Simpson Desert.
Legislation introduced by David meant South Australia became the first state in Australia to ban single-use plastics.
David was born in Galloway in southern Scotland and immigrated to Australia with his family in 2002.
He completed a Bachelor of Laws with Honours at the University of Adelaide and was a Councillor and Deputy Mayor at the City of Marion Council between 2010 and 2014.
He was educated at Brighton Secondary School and the University of South Australia.
Before entering politics, David worked in senior and principal policy development positions with the Department of Premier and Cabinet.
In his spare time, David enjoys keeping fit and healthy. He’s an active lifesaver at the Brighton Surf Lifesaving Club and was the founding member of Friends of the Lower Field River – a land care group established by Hallett Cove residents to protect the local environment.