Samir Kumar, Ph.D., is a research professor (since 2021) at the Nano Biophotonics Lab, Korea University (Sejong, Korea). His previous academic positions were at Kyoto University (Japan, 2018–2021). He received his M.Sc. in Physics from the University of Kalyani, India, in 2009 and his M.Tech. from the National Institute of Technology Hamirpur, India, in 2012. He received his Ph.D. in Physics from the Indian Institute of Technology, Delhi, India, in 2017. His research interests include designing, fabricating, and characterizing nano- and micro-electromechanical systems for sensor and actuator applications.