Gui-shuang Ying, Ph.D. is an Assistant Professor of Ophthalmology and the Director for the Biostatistics Consulting Service in department of Ophthalmology. He is a senior biostatistician in the Center for Preventive Ophthalmology and Biostatistics, an Associate Scholar of Biostatistics and a faculty member of the Graduate Group in the Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania School of Medicine.

Dr. Ying’s academic degrees include an M.D. (Preventive Medicine) and M.P.H. (Toxicology) from Zhejiang Medical University (currently Zhejiang University) in P. R. China; a M.S. (Biostatistics) from University of Michigan School of Public Health and a Ph.D. (Biostatistics) from University of Pennsylvania School of Medicine.


Dr. Ying has served as senior biostatistician or principal investigator for several large multi-center observational studies and clinical trials in the area of retina, glaucoma, uveitis, refractive error, vision screening, and retinopathy of prematurity.  Dr. Ying has 12+ years of experience in trial design, data collection, data analysis, and interpretation of trial results. Dr. Ying has authored or co-authored 80+ papers in peer-reviewed journals.