Koo Young currently works for one of South Korea’s biggest agencies “SM Entertainment.” During his time at SM, he has worked with Girls’ Generation, f(x), SHINee, EXO and of course, TVXQ. He currently choreographs/co-choreographs for TVXQ (Before U Go, B.U.T, I Don’t Know and Keep Your Head Down, just to name a few) and is...