Md. Rajibur Rahaman Khan received B.Sc. (Hons.) and M.Sc. degrees in Applied Physics, Electronics, and Communication Engineering from the Islamic University, Kushtia, Bangladesh, and he received a Ph.D. in Electronics Engineering from Kyungpook National University, Daegu, South Korea, in 2014. He joined as a Postdoctoral Researcher with the School of Electronics Engineering under the Brain Korea 21 (BK21) project at Kyungpook National University from 2014 to 2018. From September 2018 to December 2021, he was a Research Professor at Hanbat National University and the Korea National University of Transportation in South Korea. He is currently a Research Associate Professor with the Research Institute of Engineering & Technology, Hanyang University, Ansan, South Korea. His research interests include interdigitated capacitors and optical fiber-based chemical, physical and biosensor, signal processing system design, bioelectronics circuits, instrumentations, and printed electronics.