He received his Ph.D degree from the School of Mechanical & Aerospace Engineering at Seoul National University in 2005. Before starting his independent research career as an Assistant Professor in 2007, he served as a postdoctoral fellow in the group of Prof. Andre Levchenko at Johns Hopkins University. His current research focuses on intelligent theragnostic bacteria based biomedical devices, biologically inspired colorimetric nanobiosensors, cell separation devices using dielectrophoresis, biohybrid systems and microengineered platforms for cell mechanobiology.