Dr. Paull graduated from Duke University with degrees in zoology and medicine. He underwent general surgical training at the New York Hospital Cornell Medical Center and cardiothoracic surgical training at the Univ. of North Carolina in Chapel Hill. He received his Master Degree in Patient Safety Leadership from the Univ. of Illinois at Chicago. He is a Veteran of the U.S. Air Force. He served as an Assistant Professor of Surgery at Wright State University School of Medicine and the VA Medical Center in his hometown of Dayton, Ohio. Starting in 2008, he worked at the VA National Center for Patient Safety, sequentially as Co-Director of Medical Team Training, Director of Patient Safety Curriculum, Director of Medical Simulation, Senior Medical Officer/Deputy Director, and as Acting Chief Officer. In July, 2018 he began work at the Accreditation Council for Graduate Medical Education (ACGME) as a Clinical Learning Environment Review (CLER) Field Representative. He is an Adjunct Clinical Associate Professor of Medicine at Georgetown University Schools of Medicine where he teaches an online graduate level course in patient safety. He is the author of articles, chapters, and a book on the topics of surgery, patient safety, team training, simulation, and high-reliability healthcare organizations.