David H. Kaye is Distinguished Professor Emeritus at Pennsylvania State University and Regents’ Professor Emeritus of Law and Life Sciences at Arizona State University. He also has held research or teaching positions at Cornell University, the University of Chicago, and other leading universities in the England, China, and the U.S. He holds degrees from MIT (physics), Harvard (astronomy), and Yale (law). His publications include textbooks on statistics and on scientific evidence; treatises on evidence and expert and scientific evidence; and over 180 articles and letters in journals of law, philosophy, psychology, medicine, genetics, forensic science, and statistics. He is an author or editor of twelve books, including The Double Helix and the Law of Evidence (Harvard University Press), the Handbook of Forensic Statistics (Taylor & Francis/CRC Press), and of chapters in the Reference Manual on Scientific Evidence (Federal Judicial Center & National Academy of Sciences). He has served on committees of the American Statistical Association, the National Academy of Sciences, the National Commission on Forensic Science, the National Commission on the Future of DNA Evidence, the National Institutes of Health, and the National Institute of Standards and Technology. He is a member of the Forensic Science Standards Board of the Organization of Scientific Area Committees for Forensic Science and a recipient of the John Henry Wigmore Award for Lifetime Achievement from the Association of American Law Schools Section on Evidence Law. Professor Kaye also has taught Aikido and participated in first ascents of mountains in Alaska and Sichuan.