[6] Prior to his entry in municipal politics, Desroches worked for several Ministries in the federal government as well as the office of the Auditor General.
[9] In the 2006 election, Desroches defeated former Ottawa-Carleton Regional Chair Andrew Haydon to become the first councillor of this new ward which included about half of Barrhaven, Riverside South and Findlay Creek.
Following his time on council, Desroches became a member of the Board of Directors of the Perley-Rideau Veterans Health Centre Foundation.
[11] Desroches expressed interest in running for the Conservative Party of Canada in the 2015 Canadian federal election, but ultimately did not.
[12] He had also been touted as a potential candidate for the Liberals, but considered his personal politics to be "conservative", due to his economic views.