Dr. Ki Hyun Yoo, PhD, is an Adjunct Professor of Bioengineering at Hanyang University and CTO of Simple Planet Inc., specializing in cellular engineering, cultured-meat biotechnology, and regenerative medicine. He holds BS, MS, and PhD degrees in Biotechnology and Applied Biological Chemistry from Kyung Hee University, with advanced postdoctoral training in oncology, pediatrics, and neurosurgery at leading U.S. medical institutions. His professional experience spans faculty and research leadership roles, directing multidisciplinary projects in stem-cell engineering, neuroregeneration, metabolic pathways, and translational biomaterials while overseeing technology development in the biotechnology industry. Dr. Yoo’s research focuses on pluripotent stem-cell platforms, tissue differentiation, 3D bioprinting, and molecular mechanisms underlying aging and disease, contributing to federal and industry-funded grants, peer-reviewed publications, and innovative applications in food biotechnology and regenerative therapeutics. He has been recognized with competitive paper awards, prestigious fellowships, and service as a journal reviewer, and has maintained active membership in major scientific societies in cancer research, applied biological chemistry, and medical crop science.