Andrew McGregor is a Professor at the University of Massachusetts, Amherst. He received a B.A. degree and the Certificate of Advance Study in Mathematics from the University of Cambridge and a Ph.D. from the University of Pennsylvania. He also spent a couple of years as a post-doc at UC San Diego and Microsoft Research SVC. He is interested in many areas of theoretical computer science and specializes in data stream algorithms, linear sketching, and communication complexity. He received the NSF Career Award in 2010, the College Outstanding Teacher Award in 2016, and the ACM PODS Alberto O. Mendelzon Test-of-Time Award in 2020. He currently directs the UMass TRIPODS Institute on the Theoretical Foundations of Data Science.