Symeon the New Theologian was a 10th-century Byzantine monk, poet, and influential theologian born in Galatia. Coming from noble lineage, he studied under Symeon the Studite before serving as the abbot of the Saint Mamas monastery for twenty-five years. He is highly regarded for his mystical emphasis on the direct, personal experience of God and the significance of divine light. Despite facing exile due to disagreements with other monks, his spiritual legacy remains central to Eastern Christian thought through his profound theological and poetic contributions.