Yaniv was born on January 7th, 1983 in Israel. Yaniv's father is Avraham “Avi” BOSSEM and his mother is Yael. His paternal grandparents are Shmuel BOSSEM and Hanah Charlotte; his maternal grandparents are Yehudah and Tmima. He has a brother named Ory. He is the younger of the two children. He has a half-brother named Daniel.