Dr. Jaejin Hwang is an Associate Professor in the Department of Industrial and Systems Engineering at Northern Illinois University. He received his Ph.D. in Industrial and Systems Engineering from The Ohio State University. With over 20 years of continuous research experience in ergonomics and human-centered systems, he has contributed to projects spanning manufacturing, healthcare, and safety analytics. Dr. Hwang has collaborated with industry leaders, including Samsung Electronics and Hyundai Motors, and has served as an engineering accreditation coordinator and faculty advisor for students. His current research interests include wearable sensor-based worker safety diagnostics, human–robot interaction, and machine learning applications in human factors. He has received funding support from the National Science Foundation (NSF).