Bumsoo Kim is a postdoctoral fellow in the Department of Communication and Journalism, The Hebrew University of Jerusalem. He has received his Ph.D. from the College of Communication of Information & Sciences at the University of Alabama in 2019. Focusing on social media, his research interests include big data analytics, network heterogeneity, affective polarization, and local communication ecology. His work has been published in New Media & Society, Cyberpsychology, Behavior, and Social Networking, Computers in Human Behavior, and so forth. Bumsoo is from Seoul, Kore. He loves playing tennis and hiking with his kids.