Career
The party"s first francophone leader, he was noted for making inroads into the province"s Acadian community, taking the party to a then-record level of support in the 1978 provincial election. He was a graduate of the University of New Brunswick. LaBossiere was active in many community organizations and deeply committed to many causes.
He was elected and served on the Rexton-Richibucto school board for many years.
He ran for the Legislative Assembly of New Brunswick in the 1978 and 1995 elections.