His research interests include mobile & ubiquitous computing, community informatics, user-centered design, social media analysis, and social computing. He received his B.S. in Computer Science from the Kyungpook National University in 2009, M.S. in Computer Science from the University of California Los Angeles in 2011, and Ph.D. in Information Sciences and Technology from the Pennsylvania State University in 2015. He was a research scientist at the Pacific Northwest National Laboratory in 2015-2017.