Assistant Proffessor - Millimeter-Wave INnovation Technology Research Centre (MINT), Dongguk University, Seoul, Republic of Korea (March 2009 – July 2010)

Post-Doctoral Researcher – University Fellow, Centre for Optoelectronics, School of Advanced Materials Engineering, Chonbuk National University, Jeonju, Republic of Korea (August 2010 – May 2011)