Ion Aion is the pseudonym of a former Romanian Orthodox priest, who gained attention with his autobiographical book Confession of an Atheist Priest. After serving the church for years, Aion left the priesthood, reflecting deeply on his spiritual journey and his growing disillusionment with religious dogma. His book delves into the existential crisis he experienced while trying to reconcile the ideals of the church with the harsh realities of life, offering readers a unique perspective on faith, belief, and the contradictions of organized religion.

Aion, whose real name is Ilie Toader, has a background in theology and classical languages. He holds a PhD in theology and worked as a professor of ancient Greek. His literary debut was met with both controversy and praise, as he addresses taboo topics related to the Orthodox Church and challenges its practices with intellectual rigor and personal candor.