Tim Hesterberg is a Staff Data Scientist at Instacart. He previously worked at Google, Insightful, Franklin & Marshall College, and Pacific Gas & Electric Co. He received his Ph.D. in Statistics from Stanford University, under Brad Efron, and is a Fellow of the American Statistical Association and AAAS. He is author of the "Resample" package for R, Chihara and Hesterberg "Mathematical Statistics with Resampling and R" (2022, 3rd edition), and "What Teachers Should Know about the Bootstrap: Resampling in the Undergraduate Statistics Curriculum", The American Statistician 2015. Hesterberg is on the executive board of the Canadian Statistical Sciences Institute and the Executive Committee of the National Institute of Statistical Sciences, and helped write the ASA Guidelines for Undergraduate Statistics Programs. He teaches kids to make water bottle rockets, and fights climate chaos. See http://www.timhesterberg.net and humorous bio at https://www.timhesterberg.net/home/tim-hesterberg-bio-sketch.