Aviv Geffen (Hebrew: אביב גפן, 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.