Nachman Shai of United Jewish Communities (UJC ) and Director-General of UJC Israel. Prior to the 2009 elections he joined Kadima, saying "I think there is a time to come down from the stands and enter the playing field. I know the field well and I have been involved in many ways, but I decided this time to become a player". Kadima Chairwoman, Tzipi Livni, presented Shai at Kadima's Knesset faction, saying he was "part of the attractive face Kadima wants to show the electorate" and that he would be able to contribute to Kadima on issues pertaining to the Jewish world,
Tzipi Livni the UN Security Council was influenced by his talks with Livni and former president Shimon Peres, who said such a move could serve the political interests of those opposing the peace process. After the dissolution of the Knesset in December 2014, Labor leader Isaac Herzog and Livni announced a joint slate between Labor and Hatnuah, called the Zionist Union, to contest the 2015 elections in an effort to keep Netanyahu, leader of the Likud Party, from securing a fourth term as prime minister. They proposed to share the role of prime minister (an arrangement known in the Knesset as rotation)