Ke-Hai Yuan got his Bachelor and Master Degrees from the Department of Applied Mathematics at Beijing Institute of Technology, and PhD from the Department of Mathematics at UCLA. He is currently a Professor in the Department of Psychology at the University of Notre Dame. His research interests are in the areas of psychometrics and applied multivariate statistics. He has worked on mean comparison, regression, factor analysis; structural equation modeling; repeated measures and multilevel modeling; mixture model; item response theory; mediation and moderation analysis; meta analysis; bootstrap and cross-validation; robust methods; missing data; high-dimensional data; statistical computation; estimating equations; and asymptotics. He has served on the editorial boards of over 10 journals including as an Associate Editor for Psychological Methods and Journal of Multivariate Analysis.

Ke-Hai's personal website: https://smrd.nd.edu/