We found an expert who was a professor of clinical medicine in the digestive diseases department of a top medical school who had over 30 years of experience treating patients with various stages of ulcerative colitis. In addition to being a professor, he also was the Medical Director of Gastroenterology at a well-respected hospital. A leader in his field, he was an editorial board member of the Journal of Inflammatory Bowel Diseases, had held several fellowships focused on Gastroenterology, and was a Fellow of the American College of Gastroenterology and the American Gastroenterology Association. Additionally, he had worked on clinical development of drugs used for gastroenterological diseases as a Medical Director. Finally, he had served as an expert witness in several patent cases, over 15 medical malpractice cases and had been deposed and testified.