Bro Yannick Houssay was born on February 28th, 1949, in Plélan-le-Grand, Ille-et-Vilaine, France. He entered the novitiate, in 1969 and made perpetual profession, on October 16th, 1977.
His professional career began in 1973 in Bain-de-Bretagne. Then he taught one year at the Juniorate of Derval before spending two years of cooperation in Haiti.
When he came back, he went again to the Juniorate of Derval where he stayed two years. Then he was appointed for the service of vocations in the Province of Rennes, a mission he exercised during eleven years. From 1989 till 1991, he completed his theological formation at the Catholic University of Angers, before being appointed Provincial of the Province of Rennes.
When all the Provinces of France merged into one Province, in 1995, he became the Provincial of the new Saint-Jean-Baptiste Province. At the head of a provincial team, he set up the new structures of animation of the communities and the schools at the time when the collaboration with laypeople takes more and more importance in front of the decrease of the strength of the Province and the development of the shared mission.
Since 2006, at the head of the Congregation, he implemented, with the help of the General Council, the orientations of the last Chapter on the brotherly communion, on vocations ministry, on the service of the shared mission in particular, with the development of the Mennaisian Family.