Dr. Naoya Koizumi is an Associate Professor of the Graduate School of Informatics and Engineering at the University of Electro-Communications. His research interests are in Mid-air Imaging, Digital Fabrication, Augmented Reality, and HCI. He received his BE (2004) and ME (2006) from the University of Electro-Communications, and PhD (2013) in Media Design from Keio University (KMD). He was a JSPS Postdoctoral Researcher at Keio University (2013), project researcher at the University of Tokyo (2013-2016), and a researcher of PRSTO program in Japan Science and Technology Agency (2016-2020) .