Prior to being elected, Muys worked behind the scenes politically for many years.[3] From 2008–2020, he was the Chief of Staff for his predecessor, former MP David Sweet. He has held office positions at Queen’s Park and on Parliament Hill, including the provincial Minister’s Office for Economic Development, Job Creation & Trade,[4] and for Brian Mulroney-era federal trade minister Michael Wilson.[5] He is also the Ontario PC Party Regional Vice President for South Central Ontario.[6]
Muys worked in the private sector for 20 years as a public relations and communications consultant, mostly in the sectors of agriculture, agri-food and energy.[7] His work included large-scale projects with Cargill and TransCanada (now TC Energy).[7] A Cargill campaign that he managed led to a CAMA award for public relations in 2004.[8]
In 2021, Muys was acclaimed as the federal Conservative candidate for Flamborough-Glanbrook upon the retirement of David Sweet.
Muys currently serves as Associate Shadow Minister for Transport.[12]
He previously served as the Deputy Shadow Minister for Infrastructure and Communities.[13]