Blaine was first elected as the MLA for Lumsden-Morse in a by-election in 2023 and was re-elected in the 2024 provincial election.

Born and raised in rural Saskatchewan, Blaine currently resides in the town of Caron with his wife, Marlie. They have raised two sons and one daughter and now have 10 grandchildren, all of whom also reside in the province. Blaine has operated Caroncrest Dairy Farms, a multi-generational family farm, with Marlie and their sons for over 40 years.

Throughout his career in agriculture, he has served on the board of SaskMilk and as Saskatchewan director of Dairy Farmers of Canada. He has also been active on local school boards and church boards. Being involved on the local constituency board, political engagement has always been a priority for Blaine. He enjoys serving the constituents of Lumsden-Morse as their MLA.

Along with his role as MLA, Blaine holds several positions in the Saskatchewan government. He serves as Legislative Secretary to the Minister of Community Safety and is Deputy Speaker of the Saskatchewan Legislative Assembly.

Blaine also acts as the Saskatchewan government’s military liaison, working with veterans as well as active and reserve members. He serves as a member of the Commonwealth Parliamentary Association and the Treasury Board. He is chair of the Standing Committee on Intergovernmental Affairs and Justice and chair of the Standing Committee on Private Bills.