Yi Cui is a Professor in the Department of Materials Science and Engineering at Stanford University and SLAC National Lab. He has published ~500 research papers and has an H-index of 203 (Google). In 2014, he was ranked NO.1 in Materials Science by Thomson Reuters. He is a Fellow of Materials Research Society, Electrochemical Society and Royal Society of Chemistry. He is an Executive Editor of Nano Letters. He is a Co-Director of the Bay Area Photovoltaics Consortium, a Co-Director of Battery 500 Consortium and Co-Director of Stanford StorageX Initiative. His selected awards include: MRS Medal (2020), Dan Maydan Prize in Nanoscience (2019), Nano Today Award (2019), Blavatnik National Laureate (2017). He has founded four companies to commercialize technologies from his group: Amprius Inc., 4C Air Inc., EEnotech Inc. and EnerVenue Inc. He has been very active in designing and disinfecting high efficiency facial masks to fight COVID-19.