Dr. Choi studied mechanical engineering and chemical engineering during B.S. and finished his M.S. and Ph.D. in mechanical engineering in KAIST and Cornell University, respectively. He has been extensively engaged in R&D of dental devices, devising a core mechanism for bio start-ups to implement and create their clinical values from their technologies. He has also conducted researches into fuel cells and bio materials in KIST, and involved in development activities covering mechanical and chemical engineering fields. Over the course of his career, Dr. Choi has published 6 articles and given presentations in various conferences as an invited lecture.