Yuichi Sugai has been serving as a professor at the Department of Earth Resources Engineering in the Faculty of Engineering at Kyushu University since 2020. He completed his Eng.D. in Earth engineering from Tohoku University in 2001 and has received two awards for educational activities, seventeen teaching student awards, and four scientific awards. Prior to his current position, he served as a research assistant at the Department of Earth Engineering at Tohoku University from 2001 to 2003 and a part-time researcher at the Venture Business Laboratory at Akita University from 2003 to 2005, as well as a research assistant from 2005 to 2007, an assistant professor from 2007 to 2014, and an associate professor from 2014 to 2020 at the Department of Earth Resources Engineering at Kyushu University. He has published 34 papers in various journals, with his research interest focusing on enhanced oil recovery, interfacial tension, reservoir souring, precipitation, and core flooding.