He received his B.S. degree from Seoul National University (2006), M.S. degree from Stanford University (2007), and Ph.D degree from MIT (2013). From 2013 to 2014, he worked as a postdoctoral researcher at the Laboratory for Manufacturing and Productivity at MIT. From 2014 to 2017, he worked as a research staff member at the IBM Thomas J. Watson Research Center, where he received the IBM Invention Plateau Award and the IBM Research Outstanding Accomplishment Award. His research interests include novel materials and innovative nano-scale manufacturing technologies for high-performance energy devices (e.g. thin-film solar cells and solid-state batteries) and next-generation semiconductor devices such as neuromorphic computing devices.