His post-doctoral work included studies in the laboratory of Howard Temin at the University of Wisconsin (1976-79). In 1982 he began teaching at the Hebrew University, becoming an Associate Professor in 1986 and a full professor in 1993. In 2006 he won the EMET Prize, in 2014 the Rothchild award and 2015 the NAVBO Benditt Meritorious Award[4]