Eun-Seong Kim received the M.S. degree in electronic engineering from Kwangwoon University, Seoul, South Korea, in 2019, the M.S. degree in biomedical and the M.B.A. degree from Kwangwoon University, in 2021, the M.S. degree in clinical pharmacy from Ajou University, and the Ph.D. degree in electronic engineering from Kwangwoon University He is currently a Research Professor with the RF Bio Laboratory, Kwangwoon University. He has published 72 articles and 25 patents. His current research interests include the fabrication of integrated passive devices, humidity sensors, and flexible printing methods for sensor and RF biosensor and RF cancer treatment applications.