He is also affiliated in Department of Chemical Engineering, Electrical Engineering, Mechanical Engineering, Integrative Bioscience and Biotechnology (IBB) and School of Interdisciplinary bioscience and bioengineering (IBIO). He received his PhD degree from the University of Cambridge in 2007 and subsequently joined the Cavendish Laboratory (Physics Department) of University of Cambridge. Before his PhD, he worked for Samsung Electronics, Digital Printing Division for 3 years. He has been leading the Bio-Printing and Printed Electronics Laboratory since he joined POSTECH in 2013. His research focuses on design and fabrication of printed transistors and circuits, biosensor platforms, organ-on-a-chip and high-throughput drug screening based on printing process.