The P. Nicolas Bossu, L.C., was born on November 23, 1974, in Saint-Étienne, Loire, France. He entered the Legion of Christ novitiate on September 12, 1999. He was ordained a priest on December 12, 2009.
He holds a doctorate in theology from the Pontifical University of Saint Thomas Aquinas (Angelicum), Rome. He is currently a professor of theology and director of the Institute of Religious Sciences at the Pontifical Athenaeum Regina Apostolorum.