He studied at the Theological Faculty of the University of Athens, where he received his PhD.  Eusebius Matthopoulos, the founder of Zoe Fraternity, was his spiritual father. In 1939 he became Professor of Practical Theology at the Theological Faculty of the University of Athens, where he taught until 1957 various courses. In 1967 he was awarded as honorary Doctor of Theology School of the Aristotle University of Thessaloniki and in 1976 an honorary Professor of the University of Athens. He is the second, after Chrysostomos Papadopoulos, who is awarded with this highest honor in the history of Theological Faculty of Athens.
He was a founding member of the ecclesiastical organization Ζoe (Life) and editor of the homonymous magazine from 1911 until July 1959. In 1960, he joins the ecclesiatical organization Sotir (Savior) along with other members, separating his position from the perspective of Zoe.
He is considered the most prolific theologian in the history of modern Greece, with 2041 essays of academic content.