Professor O’Reilly has been involved with FDA issues since 1974. He authored the standard reference encyclopedia on FDA for westgroup.com, which the U.S. Supreme Court quoted with the words, “The experts have written…”. He chairs the FDA committee of the American Bar Assn., is on the editorial board of the Food & Drug Law Journal, formerly chaired the programs committee of the Food & Drug Law Institute, and was keynote speaker at the FDA’s midwest celebration of its 100th anniversary in 2006. Before his academic career, he was principal FDA legal adviser for Procter & Gamble, and is the last active member of the team that negotiated the terms of the 1976 medical device amendments. He has published 51 texts and 215 articles since 1977.