The competitive and cut-throat public relations field in Israel just got a new kid on the block, with new firm OH! Co-founders Hedan Orenstein and Itamar Hoshen are departing from the Rimon Cohen Co. PR firm, and they’ve decided to set out independently and establish OH! The new office is composed of the initials of their two first names, and it will be based at Azrieli Sarona Tower in Tel Aviv.