Aviv Geffen (, born 10 May 1973) is an Israeli rock musician, singer, songwriter and the son of writer and poet Yehonatan Geffen and Nurit Makover, brother of actress Shira Geffen, and an alumnus of Rimon School of Jazz and Contemporary Music. In addition to his solo career, Geffen is a founding member of the band Blackfield , he was also the global music director for WeWork. Geffen was and is extremely popular among Israeli youth who were known during the 1990s as the "Moonlight Children" (). Politically, he associates with the Israeli left. His music deals with subjects such as love, peace, death, suicide, politics, and the army (in particular, the IDF). He is often criticized for singing about the IDF while not having served, though he was discharged for medical reasons. Biography Aviv Geffen was born in Ramat Gan and raised in Beit Yitzhak. His first public performance was in 1984, in the Israeli youth program "Shminiyot BaAvir" ["somersaults"] on the Israeli Channel 1, in which he sang the song "You're Only 40 Years Old" which his sister wrote and which he composed by himself. In 1987 Geffen participated in the amateur film "Hamitpahat" (The Handkerchief), for which he wrote and sang the song "Ima" ["Mom"]. Geffen is the son of producer Nurit Geffen and author and poet Yehonatan Geffen. His sister is actress Shira Geffen. Geffen was named after his deceased grandmother, Aviva Geffen. Despite being a great nephew of legendary Israeli General and former Defense Minister, Moshe Dayan, Aviv Geffen refused to enlist in Israel's mandatory military service, as a conscientious objector. Geffen has previously called for other Israeli youth to avoid military service and criticized Israel for being "a paranoid country where people think they always have to be strong." In 1996 Geffen married Israeli actress Elana Berkowitz. The couple divorced in 1998. In 2005 Geffen married Shani Friedan after a seven-year relationship. The couple's first son, Dylan, was born in 2007. He is named after singer Bob Dylan. Geffen is an atheist. Music career In 1990, Geffen recorded his first song, "Friend" ["chaver"], together with the band "Cats in the Piping". In 1992, he released his first album, "Ze Rak Or Hayareach" [It's Only the Moonlight], all of whose tracks were written and the music composed by Geffen himself. Also in 1992, he played a part in the teenage television series A Matter of