He received his Ph.D. from University of Texas at Austin working with Kathryn S. McKinley and Stephen M. Blackburn. His research interests include runtime system scalability, debugging, memory managements, and runtime architecture interaction. He improved Java performance analysis in Google cloud infrastructure, designed concurrency debugging tools for hardware-assisted record and replay, and improved Firefox JavaScript VM scalability. Prior to joining Short Bio: Google, Jungwoo worked at Intel Labs, University of Southern California, and several startup companies, total of 7 years in industry and 8 years in academia. Contact: Kwangkeun Yi, x1857 (02 880 1857)