Since 2017, Ziv has been the assistant to the Director of Innovation and Technology at   the Galilee Medical Center. Since 2016, he has been the director of the Rheumatology Unit at the Medical Center. In the framework of his position, Ziv is responsible for leading all processes of implementing technology in the organization, for promoting cooperation with industry and academia, and for encouraging innovation and research among the physicians. Since 2012, Ziv has held an appointment at the Harvard University Medical School. From 2009-2016, he received his training in internal medicine and rheumatology in affiliated programs at Harvard Medical School in Boston where he also  worked as a physician researcher. From 2007-2009 he interned at the Sheba Medical Center. Ziv is a specialist in internal medicine (CHA, Harvard) and rheumatology (BIDMC, Harvard) and is beginning his specialization in medical administration in the framework of the INBAR program. His research focuses on epidemiology and immunology.