Before joining Brown in 2015, he was an Instructor in Radiology at Harvard Medical School after completing postdoctoral training in the same institution. He received a Bachelor of Science in Physics and PhD in Neural Engineering from Seoul National University, South Korea. His research fields are Neuroengineering and Biomedical Optics. He is a recipient of the NIH K99/R00 Pathway to Independence Award and Richard B. Salomon Faculty Research Award.