Archimandrite Placide Deseille was born in 1927 and became a Roman Catholic monk in the order of Cistercians. Because of his broad education, he directed the publication «Sources Chretiennes», publishing the Holy Fathers of the Church. In 1977 he entered the Orthodox Church and receives the tonsure at the Monastery of Simonos Petras of the Holy Mountain. Afterwards he established two monasteries (metohia) in France. He is renowned for his intelligence, his consistency and his modesty.