Dr. Dong Yun Lee is a professor in the Department of Bioengineering, College of Engineering, Hanyang University, Seoul, Republic of Korea. He has coauthored over 100 publications in Science Advances, Journal of the American Chemical Society, Nano Letters, Bioactive Materials, Biomaterials, and other journals. He holds more than 45 domestic and international patents. He is also Founder and CEO of Elixir Pharmatech Inc., Seoul, Republic of Korea. The current research interests in Professor Lee’s group include (1) self-respiratory materials for tissue engineering, (2) nanomedicine (gold and ironic nanoparticles) for theranostics, (3) smart contact lens for early diagnosis, and (4) chemical-based anti-inflammatory medication.