Grzegorz (“Greg”) A. Rempala (Polish: Rempała; born March 19, 1968) is a Polish-American applied mathematician[1] who works on the theory and applications of complex stochastic systems.

[3] In 2016 he was named the interim director of the Mathematical Biosciences Institute at OSU, and served in this position until 2018.

His wife, Helena Rempala, is a professor of clinical psychology in the Department of Psychiatry and Behavioral Health at OSU.

[5] He has also established some results in nonparametric statistics related to central limit theorems for products of random variables.

[6] More recently, he has worked on mathematical models of chemical reactions, diversity of molecular populations and disease spread across contact networks.