He has been a Labor member of the Western Australian Legislative Assembly since the 2017 state election, representing Baldivis.
Shortly after the 2017 election, Whitby was appointed by Premier of Western Australia Mark McGowan as Parliamentary Secretary to the Treasurer and Minister for Energy and Finance, and as Parliamentary Secretary to the Minister for Environment and Disability Services.
Whitby was re-elected to the seat of Baldivis in the 2021 state election, and he was appointed to the Second McGowan Ministry, becoming the Minister of Emergency Services; Racing and Gaming, Small Business and Volunteering.
[2][3] In 2008 and 2013 he ran unsuccessfully as the Labor candidate for the state Legislative Assembly electoral district of Morley.
This article about an Australian Labor Party member of the Parliament of Western Australia is a stub.