Guoyong Ding is a visiting adjunct scholar from Shandong First Medical University. He joined the Dr. Chen Research Group in March 2023. His research interest focuses on studying the impact of environmental factors or behavioral lifestyle on neurodegenerative diseases among elderly individuals. Additionally, he is involved in researching the effect of IgG glycosylation on the pathogenesis of ankylosing spondylitis and cognitive impairment. Guoyong received his PhD in Epidemiology and Health Statistics from Shandong University.