Kobi was born in Rehovot Israel and has been dancing and choreographing all his life. He performed in local Israeli productions of Fun Tazi, Cabaret, Peter Pan and K’Mo Be Seret., and has choreographed the Israeli version of Little Mermaid. Rosenfeld has won contests in choreography at the International Carmiel Dance Festival and the Israeli Jazz Contest in Haifa, and choreographed the steps for the videos and tours of singers Roni Superstar, Mali Levi and Shiri Maimon. He was also one of the first choreographers to be hired for SYTYCD in Israel where he received national acclaim for his passion and creativity!
Since trying his luck in the US, he’s choreographed 11 pieces for the California-based Keshet Chaim dance troupe and has been teaching dance at several top studios. He recently finished choreographing an amazing piece for Beyonce's 2009 world tour to her hit ballad "Scared and Lonely."