received the BS, MS, and PhD degrees in electrical engineering from Seoul National University (SNU), Seoul, Korea, in 1997, 1999, and 2002, respectively. He was a research staff member with the Center for 3-D Millimeter-Wave Integrated Systems, SNU, from 2002 to 2004. He was with the Microsystem Group, LG Electronic Institute of Technology, as a chief research engineer, from 2004 to 2006. From 2006 to 2009, he was a full time instructor with the department of physics, EWHA Womans University,
Seoul. In 2009, he joined Dankook University, Gyeonggi-do, Korea, where he is currently a faculty member with the department of electronics and electrical engineering. Currently, his research interest focuses on developing MEMS packaging structures and exploring microtip electrode array for electrochemical sensors and bio applications.