Hyung Jun Ahn is a Principal Research Scientist of Biomedical Research Institute at Korea Institute of Science and Technology (KIST). He received his BS, MS, and PhD degrees from Seoul National University (Chemistry). After postdoctoral training under the supervision of Prof. Yigong Shi at the Department of Molecular Biology, Princeton University, Dr. Ahn joined a Senior Research Scientist, KIST in 2006. Dr. Ahn has been an Adjunct Professor at the Department of Biomedical Engineering in University of Science and Technology since 2010. Dr. Ahn’s research is concerned with biomaterials-based drug delivery, siRNA delivery, and molecular imaging technology.