This book delves into the narrative of Fethullah Gülen and his movement, which essentially encapsulates the broader story of Turkey. The book explores the origins of this movement that undeniably left an unprecedented impact on Turkey, surpassing the influence of any preceding religious movement. This movement, centered around the figure of Gülen, born in 1938, gained prominence mainly during the 1990s when it unfurled its banner of inter-religious tolerance. Gülen actively advocated for the establishment of a global network of schools and even universities, aiming to cultivate a new generation of devout Muslims who were educated and inclined towards Western ideals. By the late 1990s, Gülen's health issues led him to relocate to the United States, ostensibly. With the ascent of the AKP party to power, connections burgeoned between the movement's members and the party, particularly its leader Erdoğan. This mutually beneficial relationship faced turbulence at the onset of the second decade of the 2000s, culminating in the attempted religious coup in 2016, during which Gülen and his movement were accused. Subsequently, Gülen emerged as the foremost adversary of Turkey, rendering his return to the country implausible.This book illuminates the intricacies of the Gülenist movement and endeavors to unravel the persona of its leader. The text delves into the origins of the Gülenist movement, its underlying ideology, and its enduring significance within Turkey. By employing comprehensive research techniques and utilizing archival materials in various languages Dr. Aviv provides insight in an objective as possible way into the dynamic interplay between religion and state in Turkey, as well as the ascent and decline of religious movements within the nation.