Jongwoo Lee received the B.S. degree in mechanical and aerospace engineering from Seoul National University, Seoul, South Korea, in 2011 and the M.S. degree in mechanical engineering from the Massachusetts Institute of Technology, Cambridge, MA, USA, in 2013, where he is currently pursuing the Ph.D. degree in mechanical engineering. He was a Research Scientist with the Center for Robotics Research, Korea Institute of Science and Technology, Seoul, South Korea. He is also a recipient of Samsung Scholarship. His current research interests include the neuro-mechanical control of human locomotion, lower-limb exoskeleton for assistance/rehabilitation, and dynamics and control of legged robots.