I am a Research Staff Member, working in the Network Technologies Department at IBM T. J. Watson Research Center, Hawthorne, NY, USA. Currently I am working on various projects related to design and management of networking and distributed systems, including enterprise networks, clouds, data center networks, and wireless networks.
I joined IBM Research at 2006, before which I briefly stayed in Philips Research North America as a Senior Member of Research Staff. I received Ph.D. degree in Electrical Engineering from Columbia University, New York, NY, and M.S. and B.S. degrees in Electrical Engineering from Seoul National University, Seoul, Korea. I also co-founded Neomtel, Ltd., Seoul, Korea, a wireless network application provider, at 1999. I am the recipient of the Best Paper Award in IEEE International Conference on Network Protocols (ICNP) 2003.