Dr. Jeong-Geun Lee received the B.S. degree in Mechanical Engineering from Inha University, South Korea, in 2014, and joined Doosan Bobcat Korea Co., Ltd., South Korea. While working at Doosan Bobcat Korea, he earned the Ph.D. degree in Smart Digital Engineering in 2025. His work has focused on simulation-driven development and operational data analytics for construction and industrial vehicles. His expertise includes computational fluid dynamics (CFD), reliability engineering, and industrial artificial intelligence. His research interests center on prognostics and health management (PHM), condition-based maintenance plus (CBM+), AI-based fault diagnosis, remaining useful life prediction, and digital-twin-enabled maintenance strategies.