Dr. Gao is the Distinguished Professor and Dean of Institute of Nutrition, Fudan University. He is also the Chair of Department of Nutrition and Food Hygiene, Fudan University School of Public Health. Formerly, he was Assistant Professor (2010-2014) at Harvard Medical School, and Associate Professor(2014-2020) and Full Professor (2020-2022) at the Penn State University. He was also the Schreyer Distinguished Honors Faculty at the Penn State University. His research interests include nutritional epidemiology, neurological diseases, and aging. He has served as the PI of several NIH-funded R01/R21/R03 projects since 2009 to study risk factors and clinical consequences of sleep disorders and neurodegenerative diseases. He has published more than 300 articles in peer-reviewed journals and served on several national committees., such as UNESCO International Center for Creativity and Sustainable Development Advisory Committee; Committee of nutrition, trauma, and the brain, Institute of Medicine(IOM); and American Academy of Sleep Medicine. He serves as co-editor of Nutrition Journal (IF=5.4).