He received his B.S. degree in Materials Science from Yonsei University in 2002 and Ph.D. degree in Medical Science from Yonsei University in 2006. He was a post-doctoral researcher at Chemical and Biological Engineering of the University of Alabama (2006–2008) and at Argonne National Laboratory (2008–2011). His research has been focused on therapeutic micro/nano-carriers for the treatment of various types of cancers. His research interests include image-guided medicine, drug delivery, bacterial therapy, immunotherapy, multimodal medical imaging, translational cancer nanomedicine, stimuli-responsive polymers, nanoparticles and hybrid nanoparticles.