He was a Postdoctoral Research Fellow in Wireless Networking and Communications Group, the Department of Electrical and Computer Engineering, the University of Texas at Austin from 2009-11. Dr. Jo developed LTE systems in Samsung Eletronics in 2011-12. He received the B.S., M.S., and Ph.D. degrees in Electrical and Electronics Engineering from Yonsei University Seoul, Korea, in 2001, 2004, and 2009, respectively. He received 2011 ETRI Journal Award. His research interests include Small cells, Heterogeneous network, Wireless ad-hoc network, Stochastic geometry, and Wireless broadband transmission.