Ruff graduated from the Royal Military College of Canada in 1997 with an honours degree in space science.
[3][4][5] In April 2019, Ruff won the Conservative nomination for the riding of Bruce—Grey—Owen Sound for the 2019 federal election following the retirement of Larry Miller.
He was a member of the Standing Committee on Veterans Affairs from February to August 2020.
On September 02, 2020, he was appointed to the Conservative Party House Leadership team by Erin O’Toole as the Deputy Opposition Whip.
From December 9, 2021 until June 2022, he sat on the Standing Committee on Human Resources, Skills and Social Development and the Status of Persons with Disabilities (HUMA) and from December 13, 2021 until June 2022, he was a member on the Special Committee on Afghanistan (AFGH).