is currently a MS/Ph.D student in mechanical engineering at UC Berkeley. His Research interests are involved with Bio-MEMS/Nano Devices, Microfluidics, IC Devices and integration of them. He joined BMAD November, 2007. Mr.Choi received his B.S. degree in Mechanical Engineering in Seoul National University(SNU) in Aug, 2006 and M.S.in Mechanical Engineering in UC Berkeley in Dec. 2008.