“Yajun’s hard work has led to numerous contributions to the fields of mathematical statistics and biostatistics,” said ISyE School Chair Edwin Romeijn. “I congratulate him on this well-deserved promotion.”

Mei's research interests in statistics include change-point problems and sequential analysis in mathematical statistics; longitudinal data analysis, random effects models, and clinical trials in biostatistics; and sensor networks and information theory in engineering.

He received a CAREER Award from the National Science Foundation in 2010; the Abraham Wald Prize in Sequential Analysis in 2009; and the FUSION Best Paper Award (co-authored with Cheng-Der Fuh) in 2008.

Mei earned a B.S. in mathematics from Peking University in P.R. China, and a Ph.D. in mathematics with a minor in electrical engineering from the California Institute of Technology. He completed a two-year postdoctoral fellowship in biostatistics at the Fred Hutchinson Cancer Research Center in Seattle, Washington.