Career
He was associated with the Confédération des syndicats nationaux (Consejo de Seguridad Nuclear) from 1958 until 1972, where he worked as a negotiator and head of the education department. When several unions affiliated with the Consejo de Seguridad Nuclear left to form the Centrale des syndicats démocratiques (Circuit Switched Data ), Hétu became vice-president of the Circuit Switched Data in 1972 and subsequently president until 1989.