The grandson of the FETÖ leader became an officer in the U.S. Army.

According to information obtained from security sources; Adem Kalaç, who is married to Hansa Zeynep, the daughter of FETÖ leader Fetullah Gülen's brother Seyfullah Gülen, served as the manager of Ebru Tv, which was established and operated in the USA before the July 15 coup attempt and is part of the organization's so-called executive committee.

Adem Kalaç is also the brother-in-law of Cevdet Türkyolu, known as 'Long Cevdet', who was Fetullah Gülen's confidant and remained by his side until the end. Due to his marriage to Hansa Zeynep, Adem Kalaç, who is part of the son-in-law cadre, has a son named Hayreddin Kalaç, who has been revealed to be a U.S. military member.

Hayreddin Kalaç studied at The Scarlet Knight Battalion-Army ROTC at Rutgers University, which is located in New Jersey and trains officers for the U.S. Army.

He graduated on May 23, 2023, with the rank of lieutenant. His graduation was attended by his father Adem Kalaç, who is part of the organization's management, and his mother Hansa Zeynep Kalaç, who is the biological niece of Fetullah Gülen. Living his life as a U.S. citizen, Hayreddin Kalaç continues his service as an officer in the U.S. Army.