John J. Deely

John J. Deely
Born(1933-01-13)January 13, 1933
DiedJanuary 17, 2025(2025-01-17) (aged 92)
CitizenshipUnited States, New Zealand
Alma materGeorgia Institute of Technology (BEE)
Purdue University (MS, PhD)
Known forBayesian statistics
Decision theory
AwardsErskine Fellowship
David S. Moore Teaching Award
Fellow of the American Statistical Association
Purdue Statistics Outstanding Alumnus Award
Scientific career
FieldsStatistics
InstitutionsNational Advisory Committee for Aeronautics
Purdue University
Sandia National Laboratories
University of Canterbury
Thesis Multiple Decision Procedures from an Empirical Bayes Approach
Doctoral advisorShanti S. Gupta

John Joseph Deely (January 13, 1933 – January 17, 2025) was an American-born statistician and educator who specialized in Bayesian statistics, specifically empirical Bayes methods and decision theory. He spent nearly three decades at the University of Canterbury in New Zealand, where he served as the chair of the statistics department, before returning to Purdue University for the latter portion of his career.