Hapoel Hatzair
Born in the Poltava Oblast in the Russian Empire (today in Ukraine), Uri was educated at a yeshiva, and made aliyah to Ottoman-controlled Palestine in 1910. A member of Hapoel Hatzair, he was amongst the founders of Nahalal, the first moshav, and the Moshavim Movement, for whom he edited the monthly publication "Talamim".