  We present a short overview of recent progress in the theory of jet quenching
in ultra-relativistic nuclear collisions, including phenomenological studies of
jet quenching at RHIC and the LHC, development in NLO perburbative QCD
calculation of jet broadening and energy loss, full jet evolution and
modification, medium response to jet transport, and lattice QCD and AdS/CFT
studies of jet quenching.
