He was an Action démocratique du Québec Member of the National Assembly for the electoral district of Saint-Hyacinthe from 2007 to 2008.
L'Ecuyer holds a degree in law from the Université de Montréal and is a member of the Barreau du Québec and the Canadian Bar since 1973.
He practiced law for nearly 35 years before jumping to provincial politics.
He also a secretary of the Administration Committee of the Honore-Mercier Hospital in Saint-Hyacinthe and a member of the economic and industrial development in that region.
Parti Québécois incumbent Léandre Dion, who was running for a fourth consecutive term, finished second with 32% of the vote.