2017.03-Present Associate Professor, College of Pharmacy, Ajou University, South Korea 2013.03-2017.02 Assistant Professor, College of Pharmacy, Ajou University, South Korea 2011.03-2013.02 Assistant Professor, College of Pharmacy, Dankook University, South Korea 2007.04-2010.10 Post-Doctoral Fellow, Memorial Sloan-Kettering Cancer Center, NY, USA