Mosab Hassan Yousef born 5 May 1978) in Ramalla, he is also called The Green Prince, a Palestinian ex-militant Hamas who defected to Israel in 1997, thereafter working as an undercover agent for the Shin Bet until he moved to the United States in 2007. His father is Sheikh Hassan Yousef, a co-founder of Hamas.
Mosab Hassan Yousef (later Joseph, also nicknamed "The Green Prince") was born in Ramallah, a city 10 kilometers (6.2 mi) north of Jerusalem. His father, Sheikh Hassan Yousef, is a Hamas co-founder who spent many years in Israeli prisons. He is the oldest of five brothers and three sisters.