Christina Ha

Marla C. Dubinsky received a medical degree from Queen’s University in Canada and completed her clinical pediatric gastroenterology training at Sainte-Justine Hospital, University of Montreal in Quebec, Canada adn her IBD training at Cedars-SInai Medical Center, Los Angeles, CA. Dr. Dubinsky is a proud recipient of the 2022 Sherman Prize for Excellence in Crohn’s and Colitis and a 2024 Jacobi Medallion winner for her contibutions to Mount Sinai. Currently, Dr. Dubinsky is Chief of Pediatric Gastroenterology and Nutrition, as well as the Co-Director of the Susan and Leonard Feinstein Inflammatory Bowel Disease Clinical Center and Co-director of the Marie and Barry Lipman Preconception and Pregnancy Planning Clinic at Mount Sinai Hospital, New York, She is a Professor of both Pediatrics and Medicine at the Icahn School of Medicine, Her primary research focuses on the influence of genetics and immune responses on the variability in clinical presentations, treatment responses and prognosis of IBD. Her other interests include the impact of IBD on fertility and pregnancy. She has lectured widely both nationally and internationally and has published in over 400 peer reviewed journals including New England Journal of Medicine, Lancet, Gastroenterology, The American Journal of Gastroenterology, The Journal of Pediatric Gastroenterology and Nutrition, Inflammatory Bowel Diseases, and of Crohn's and Colitis .

Millie D. Long MD, MPH earned her doctor of medicine degree at the University of Virginia. She completed a residency and chief residency in internal medicine at the University of Alabama at Birmingham. She then completed a gastroenterology fellowship at University of North Carolina. She also completed a fellowship in preventive medicine and a masters of public health in epidemiology at the Gillings School of Public Health. She is board certified in internal medicine, preventive medicine, and gastroenterology. She is currently Professor of Medicine in the Division of Gastroenterology and Hepatology at the University of North Carolina, as well as Chief of the Division.

Dr. Long’s clinical practice is at the UNC Multidisciplinary Inflammatory Bowel Diseases (IBD) center. Her research interests include prevention of complications of IBD, women’s health and clinical epidemiology. Dr. Long has contributed over 200 peer-reviewed publications, book chapters, and review articles to the literature. She co-authored the 2025 ACG ulcerative colitis guidelines. She serves Co-Editor in Chief of the American Journal of Gastroenterology.

Dr. Long is a fellow of the American College of Gastroenterology where she is a member of the Board of Trustees. She is also a fellow of the American Gastroenterological Association and a member of the Crohn’s and Colitis Foundation. Recipient of the 2024 Sherman Prize for Excellence in Crohn’s and Colitis. She is a member of the International Organization for the Study of IBD.

Dr. Aline Charabaty is Professor of Medicine at the University of Maryland and the Director of the IBD Program at the University of Maryland Medical center. She is the Editor-in-Chief of the Crohn’s and Colitis 360 journal, and is past Vice-Chair of the AGA Research Foundation Executive Board, and past ACG Governor for Washington DC. Her work and advocacy were recognized by the Crohn’s and Colitis Foundation Excellence in Medicine Award in 2020 , the ACG Diversity Equity and Inclusion Award in 2025, and the AGA Beacon of Hope Award in 2026. Dr Charabaty uses social media to amplify medical education in IBD and is the founder of @MondayNightIBD a CME platform on twitter for which she received the Healio Disruptive Innovator Award in 2019. Dr Charabaty is a strong advocate for diversity and the professional advancement of women in GI. She is the Co-Founder of Scrubs & Heels, a foundation focused on empowering women in GI with the leadership skills, networking and mentorship to achieve professional goals and growth.

Dr. Kara De Felice serves as an Associate Professor of Clinical Medicine and the Director of Inflammatory Bowel Diseases at the University of Cincinnati. Leading a multidisciplinary IBD team, her mission is to deliver exceptional patient care and improve long-term outcomes through clinical excellence, participation in clinical trials, and the training of the next generation of gastroenterologists. A dedicated educator, she is a frequent speaker at regional and national conferences with a specialized focus on women in GI and Advanced Practice Provider (APP) education. Outside of the clinic, she enjoys traveling, playing tennis, and hosting dinner and cocktail parties.

Dr. Christina Ha completed her internal medicine residency and fellowship at the Washington University in St. Louis School of Medicine and then received additional training as the Present-Levison Inflammatory Bowel Diseases Fellow at the Mount Sinai School of Medicine. She is Director of the Inflammatory Bowel Disease Section and Associate Professor of Medicine at Mayo Clinic Arizona. Her clinical research interests focus on the impact of aging on the natural history of the inflammatory bowel diseases, especially the pathogenesis and natural history of late-onset IBD. She is also very involved in IBD related trainee educational initiatives and has served on multiple committees within the Crohn’s and Colitis Foundation, American College of Gastroenterology, and American Gastroenterological Association.

Dr. Maia Kayal is an Associate Professor in the Division of Gastroenterology at the Icahn School of Medicine at Mount Sinai and The Susan and Leonard Feinstein IBD Center. She graduated from New York University School of Medicine Alpha Omega Alpha. She then completed her internal medicine residency at Columbia University Medical Center-New York Presbyterian Hospital and fellowship training in gastroenterology at the Mount Sinai Hospital. Dr. Kayal's research in inflammatory conditions of the ileal pouch is funded by the NIH, Crohn’s and Colitis Foundation, and Rainin Foundation. She is a former ACG Young Physicians Leadership Scholar and AGA Future Leader.

Dr. Christina Ha completed her internal medicine residency and fellowship at the Washington University in St. Louis School of Medicine and then received additional training as the Present-Levison Inflammatory Bowel Diseases Fellow at the Mount Sinai School of Medicine. She is Director of the Inflammatory Bowel Disease Section and Associate Professor of Medicine at Mayo Clinic Arizona. Her clinical research interests focus on the impact of aging on the natural history of the inflammatory bowel diseases, especially the pathogenesis and natural history of late-onset IBD. She is also very involved in IBD related trainee educational initiatives and has served on multiple committees within the Crohn’s and Colitis Foundation, American College of Gastroenterology, and American Gastroenterological Association.

Dr. Grossman is the Associate Clinic Chief of Gastroenterology, Hepatology, and Nutrition and Co-Director of the Center for Pediatric Inflammatory Bowel Disease at the Children’s Hospital of Philadelphia and the Robert N. Baldassano MD Professor of Clinical Pediatrics at the Perelman School of Medicine at the University of Pennsylvania. Dr. Grossman has dedicated his career to advancing the quality of clinical care and promoting a multidisciplinary approach for children and adolescents with IBD. He has led national committees for the North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition (NASPGHAN) and ImproveCareNow (ICN). He has been involved with the Crohn’s & Colitis Foundation for years, serving on the Board of Directors and the Chapter Medical Advisory Committee for the Philadelphia/Delaware Valley chapter, as well as serving as chair of the Pediatric Affairs Committee on the National Scientific Advisory Committee (NSAC). He has co-authored multiple research publications, is an editor of the Pediatric Inflammatory Bowel Disease textbook, and frequently lectures at national scientific meetings.

Dr. Miguel Regueiro is the Enterprise Chief of Staff and Executive Vice President at Cleveland Clinic, and Professor in the Department of Medicine, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University.

Dr. Regueiro is the inaugural Chair holder of The Melody and Steve Golding Chair for Digestive Diseases. He served as the Global Chief for the Digestive Disease Institute from 2021 - 2026 before becoming Enterprise Chief of Staff. As Chief of Staff, he is responsible for shaping the healthcare strategy and vision for the national and international Cleveland Clinic sites. He oversees 6,000 physicians and 4.000 advanced practice providers across the enterprise.

Dr. Regueiro’s main clinical and research interest is Inflammatory Bowel Diseases (IBD) with a focus on the natural course and medical-surgical management of Crohn’s disease and ulcerative colitis. He leads research on postoperative prevention of Crohn’s disease, as well as developing new models of healthcare, including the first-of-its kind specialty medical home for IBD.

Dr. Cohen is a Staff Physician and Co-Section Head and Clinical Director for Inflammatory Bowel Diseases in the Department of Gastroenterology, Hepatology, and Nutrition at the Cleveland Clinic, Cleveland, OH. Throughout his career, Dr. Cohen has merged clinical care with participation in inflammatory bowel disease (IBD) clinical research. His primary research interest has been centered on the safety of biologic medications in the peri-operative period for which he led PUCCINI, a large multi-center clinical study. Dr. Cohen has also been a site primary investigator on Phase 3 IBD pharmaceutical clinical trials and collaborative investigator initiated studies. In addition to his research interests, Dr. Cohen also has a strong commitment to IBD education. He has been a member of the Crohn’s & Colitis Foundation Professional Education Committee and a co-founder and former chair of Rising Educators Academics and Clinicians Helping IBD (REACH-IBD); a special committee within the Crohn’s & Colitis Foundation of America for trainees and junior faculty to promote collaboration, mentorship, and career advancement. The Crohn’s and Colitis Foundation recognized him for his leadership with the Rising Star award in 2018. He currently serves on the Crohn's and Colitis Foundation NSAC as the Chair of Professional Membership. Dr. Cohen has also been an active member of the American Gastroenterological Association (AGA) serving on both the Education and Training Committee and Clinical Guidelines Committee.

Parambir S. Dulai, MD, is a board-certified gastroenterologist with clinical and research expertise in inflammatory bowel disease (IBD). Dr. Dulai is a proud recipient of the 2022 Sherman Emerging Leader Prize by The Bruce and Cynthia Sherman Charitable Foundation that recognizes outstanding achievements in IBD. He is an Associate Professor of Medicine at Northwestern University where he also serves as Director of Precision Medicine for the Division of Gastroenterology and Hepatology. Dr. Dulai completed his medical school training at Dayanand Medical College in Ludhiana, Punjab, India, and subsequently completed his internal medicine residency and chief residency at Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA. He then went on to complete an NIH sponsored T32 research fellowship and IBD clinical fellowship at the University of California San Diego, La Jolla, CA, USA. He spent an additional year of advanced training in clinical trials with Robarts Clinical Trials and in 2019 he was the recipient of the American Gastroenterology Association (AGA) research scholar award focused on personalized medicine. He has a successful NIH funded research program focused on real world evidence generation, clinical trials, and integrating evolving translational technology into mechanism of action studies.

Phillip R. Fleshner, MD is the Director of Colorectal Surgery Research at Cedars-Sinai Medical Center. He holds the Shierley, Jesslyne, and Emmeline Widjaja Chair in Colorectal Surgery.

Dr. Fleshner's main clinical and research interests are directed towards optimizing outcomes and techniques in the surgical management of Crohn's disease and ulcerative colitis.

Dr. Fleshner has written numerous articles for peer-reviewed publications, including the Annals of Surgery, Journal of the American College of Surgeons, Diseases of the Colon and Rectum, Gut and the American Journal of Surgery.

Dr. Fleshner received his bachelor's degree from McGill University and his medical degree from the Albert Einstein College of Medicine. He completed his General Surgery Residency at the Mount Sinai Medical Center in New York and his Colorectal Surgery Fellowship at the Lahey Clinic in Boston.

He received the Sherman Prize in 2021.

Dr. Christina Ha completed her internal medicine residency and fellowship at the Washington University in St. Louis School of Medicine and then received additional training as the Present-Levison Inflammatory Bowel Diseases Fellow at the Mount Sinai School of Medicine. She is Director of the Inflammatory Bowel Disease Section and Associate Professor of Medicine at Mayo Clinic Arizona. Her clinical research interests focus on the impact of aging on the natural history of the inflammatory bowel diseases, especially the pathogenesis and natural history of late-onset IBD. She is also very involved in IBD related trainee educational initiatives and has served on multiple committees within the Crohn’s and Colitis Foundation, American College of Gastroenterology, and American Gastroenterological Association.

Dr. Cohen is a Staff Physician and Co-Section Head and Clinical Director for Inflammatory Bowel Diseases in the Department of Gastroenterology, Hepatology, and Nutrition at the Cleveland Clinic, Cleveland, OH. Throughout his career, Dr. Cohen has merged clinical care with participation in inflammatory bowel disease (IBD) clinical research. His primary research interest has been centered on the safety of biologic medications in the peri-operative period for which he led PUCCINI, a large multi-center clinical study. Dr. Cohen has also been a site primary investigator on Phase 3 IBD pharmaceutical clinical trials and collaborative investigator initiated studies. In addition to his research interests, Dr. Cohen also has a strong commitment to IBD education. He has been a member of the Crohn’s & Colitis Foundation Professional Education Committee and a co-founder and former chair of Rising Educators Academics and Clinicians Helping IBD (REACH-IBD); a special committee within the Crohn’s & Colitis Foundation of America for trainees and junior faculty to promote collaboration, mentorship, and career advancement. The Crohn’s and Colitis Foundation recognized him for his leadership with the Rising Star award in 2018. He currently serves on the Crohn's and Colitis Foundation NSAC as the Chair of Professional Membership. Dr. Cohen has also been an active member of the American Gastroenterological Association (AGA) serving on both the Education and Training Committee and Clinical Guidelines Committee.

Dr. Christina Ha completed her internal medicine residency and fellowship at the Washington University in St. Louis School of Medicine and then received additional training as the Present-Levison Inflammatory Bowel Diseases Fellow at the Mount Sinai School of Medicine. She is Director of the Inflammatory Bowel Disease Section and Associate Professor of Medicine at Mayo Clinic Arizona. Her clinical research interests focus on the impact of aging on the natural history of the inflammatory bowel diseases, especially the pathogenesis and natural history of late-onset IBD. She is also very involved in IBD related trainee educational initiatives and has served on multiple committees within the Crohn’s and Colitis Foundation, American College of Gastroenterology, and American Gastroenterological Association.