Johnson W. McRorie, Jr, PhD, FACG, AGAF, FACN, completed an associate of arts degree in nursing and worked 14 years as an emergency department/intensive care unit registered nurse, after serving in the US Army (509th Airborne, 221st Military Police). He went on to complete a dual doctor of philosophy degree in neuroscience and physiology at Michigan State University. He is currently a clinical scientist at Global Clinical Sciences, Procter & Gamble, Mason, Ohio, where he has worked for over 20 years. He is a fellow of the American College of Gastroenterology, the American Gastroenterological Association, and the American College of Nutrition
Roger D. Gibb, PhD, completed a BS degree in physics at Utah State University in 1991, an MS degree in biostatistics at The University of Michigan in 1995, and a PhD degree in biostatistics at Virginia Commonwealth University in 1998. For the following 19 years he has worked as a health care R&D statistician at The Procter and Gamble Company, Mason, Ohio. Quantitative Sciences, Procter & Gamble, Mason, Ohio.
Joyce B. Womack, AS, completed an Associates of Science degree in Marketing, graduating Summa Cum Laude in 1989 while working at a wholsale electronics distributor. She continued with that company for the next 8 years, moving up to the position of Executive Vice President before changing careers. She then served as the COO of a leadership/team-building company before taking on the position of Director of Finance of a computer training organization. Ms. Womack then worked in an independent clinical research organization, serving as CEO until she retired in 2016. Since then, she has been providing consulting services to clinical research sites on a part time basis. Charlottesville Medical Research LLC, Virginia.
Daniel J. Pambianco, MD, FACG, FASGE, is board certified in internal medicine and gastroenterology and is a Fellow in the American College of Gastroenterology. He is a Certified Physician Investigator by the Academy of Pharmaceutical Physicians and Investigators. Dr. Pambianco was the founder and Medical Director of Charlottesville Medical Research (through 2015), and continues to serve as an Investigator for Gastroenterology-related clinical trials. Charlottesville Medical Research LLC, Virginia.
Drs Gibb and McRorie are full-time employees of Procter & Gamble, which markets a fiber supplement (Metamucil). The other authors have no conflicts of interest to disclose.
Dr. McRorie is an employee of Procter and Gamble, the producer of Metamucil, a psyllium supplement. He has no other interests to declare.
Correspondence: Johnson W. McRorie, Jr, PhD, FACG, AGAF, FACN, Global Clinical Sciences, Procter & Gamble, Mason Business Center, 8700 Mason-Montgomery Rd, Mason, OH 45040 ([email protected]).