David Hudesman

Dr. Hudesman is Director of the Inflammatory Bowel Disease Center at NYU Langone Health. He is Professor of Medicine at the NYU School of Medicine.

Dr. Hudesman specializes in the diagnosis and treatment of inflammatory bowel disease (IBD) and in the provision of integrated, seamless, patient-centered care. His research is focused on the development of biomarkers and evaluation and optimization of new medical therapies for the treatment of both Crohn’s disease and ulcerative colitis.

Dr. Hudesman served on the Educational Affairs Committee of the American College of Gastroenterology, and the Professional Membership Committee of the Crohn’s Colitis Foundation, and is currently on the Quality Committee of the American Gastroenterological Association.

Dr. Hudesman is Director of the Inflammatory Bowel Disease Center at NYU Langone Health. He is Professor of Medicine at the NYU School of Medicine.

Dr. Hudesman specializes in the diagnosis and treatment of inflammatory bowel disease (IBD) and in the provision of integrated, seamless, patient-centered care. His research is focused on the development of biomarkers and evaluation and optimization of new medical therapies for the treatment of both Crohn’s disease and ulcerative colitis.

Dr. Hudesman served on the Educational Affairs Committee of the American College of Gastroenterology, and the Professional Membership Committee of the Crohn’s Colitis Foundation, and is currently on the Quality Committee of the American Gastroenterological Association.

Raymond K. Cross, MD, MS, AGAF, FACG completed undergraduate training at Washington and Jefferson College and attended medical school at the University of Pittsburgh. He completed internal medicine residency and gastroenterology and Hepatology fellowship training at the University of Maryland Medical Center and Baltimore Veterans Affairs. Prior to fellowship, he was a Chief Medical Resident. He obtained a Master’s Degree in Clinical Research at the University of Maryland, Baltimore. He joined the faculty at the University of Maryland and served as Director of the Inflammatory Bowel Disease Program from 2004 to 2024. In July 2024, he joined the faculty at the Melissa L. Posner Institute for Digestive Health & Liver Disease at Mercy Medical Center where he is Director of the Center for Inflammatory Bowel and Colorectal Diseases.
He has published over 200 peer reviewed manuscripts, review articles, and book chapters and has obtained research funding from the Agency for Healthcare Research and Quality, the Crohn’s and Colitis Foundation, and the American College of Gastroenterology. He is past Chair of the Patient Education and Clinical Research Committees and Clinical Research Alliance for the Foundation. He is the Co-Chair of the Regional Advances in Inflammatory Bowel Disease Course, Scientific Co-Director of the CorEvitas Registry, and past Course Director for the American College of Gastroenterology’s Eastern Regional Course. He is Governor for Maryland for the American College of Gastroenterology, a member of the American College of Gastroenterology’s Research Committee, and Senior Associate Editor of the American Journal of Gastroenterology.

Dr. Sara Horst MD, MPH, FACG, AGAF is a Professor in the division of Gastroenterology, Hepatology, & Nutrition at Vanderbilt University Medical Center. Dr. Horst completed her medical school and residency training at The Ohio State University and then went to Vanderbilt University Medical Center for Gastroenterology Fellowship and to obtain her Masters of Public Health. She joined the faculty at Vanderbilt University Medical Center in 2011. She is involved in clinical care of complex IBD care, complex amyloid care, clinical research, and teaching and mentoring medical students and housestaff. She is the medical director for VUMC Specialty Pharmacy, VUMC Telehealth director, and VUMC Associate Vice Chair of Clinical Affairs for Dept of Medicine. Her research interests involve enhancing EHR efficiencies in the care of IBD, telehealth in IBD, and medication adherence in IBD. She has extensively published in peer reviewed journals. She is also involved in clinical care improvement as an EPIC Physician Builder and is on the National EPIC GI Steering Board. She is an associate editor for American Journal of Gastroenterology.

Dr. Hudesman is Director of the Inflammatory Bowel Disease Center at NYU Langone Health. He is Professor of Medicine at the NYU School of Medicine.

Dr. Hudesman specializes in the diagnosis and treatment of inflammatory bowel disease (IBD) and in the provision of integrated, seamless, patient-centered care. His research is focused on the development of biomarkers and evaluation and optimization of new medical therapies for the treatment of both Crohn’s disease and ulcerative colitis.

Dr. Hudesman served on the Educational Affairs Committee of the American College of Gastroenterology, and the Professional Membership Committee of the Crohn’s Colitis Foundation, and is currently on the Quality Committee of the American Gastroenterological Association.

Kelly Issokson, MS, RD, CSDH, LDN, CNSC is the Senior Registered Dietitian of Outpatient Nutrition at the University of California, San Francisco (UCSF) and a nationally recognized expert in gastrointestinal nutrition. With over 17 years of clinical experience, she specializes in inflammatory bowel disease (IBD) and surgical nutrition. Ms. Issokson graduated magna cum laude from Johnson & Wales University and earned her MS in Nutrition from California State University, Northridge. She serves on the National Board of the Crohn’s & Colitis Foundation and is a leading voice in advancing nutrition as part of multidisciplinary IBD care. She co-developed the Cedars-Sinai IBD Prehabilitation Program and nutrition education training programs for physicians, APPs, and RDs.

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.

Jessiy Salwen-Deremer, Ph.D., DBSM, is the Director of Behavioral Medicine for Digestive Health at Dartmouth-Hitchcock Medical Center and Assistant Professor of Psychiatry & Medicine at the Geisel School of Medicine at Dartmouth. Dr. Salwen-Deremer earned her Ph.D. in clinical psychology at Stony Brook University and completed her fellowship training in behavioral medicine at the Johns Hopkins School of Medicine. Her areas of clinical expertise include behavioral sleep medicine and gastropsychology. Her research expertise encompasses two areas: understanding the impact of sleep disorders on inflammatory bowel diseases and improving access to gastrointestinal behavioral health care. Across both of these areas, she focuses on the integration of telehealth and remote technologies to enhance patient engagement and participation.

Dr. Hudesman is Director of the Inflammatory Bowel Disease Center at NYU Langone Health. He is Professor of Medicine at the NYU School of Medicine.

Dr. Hudesman specializes in the diagnosis and treatment of inflammatory bowel disease (IBD) and in the provision of integrated, seamless, patient-centered care. His research is focused on the development of biomarkers and evaluation and optimization of new medical therapies for the treatment of both Crohn’s disease and ulcerative colitis.

Dr. Hudesman served on the Educational Affairs Committee of the American College of Gastroenterology, and the Professional Membership Committee of the Crohn’s Colitis Foundation, and is currently on the Quality Committee of the American Gastroenterological Association.

Gil Y. Melmed, MD, MS, is the Clinical Director of the Inflammatory Bowel Disease Program and Associate Director of the Karsh Division of Digestive and Liver Diseases at Cedars-Sinai Medical Center in Los Angeles, California. He earned his medical degree from Albert Einstein College of Medicine in the Bronx, New York, and master of science in clinical research from UCLA School of Medicine, Los Angeles. Dr Melmed completed his gastroenterology fellowship at the University of California, Los Angeles.
He has authored or coauthored more than 250 articles in peer-reviewed journals and several book chapters. Dr Melmed has served as Associate Editor of the American Journal of Gastroenterology, an ad hoc reviewer for several journals, and clinical research editor for Inflammatory Bowel Disease. His research interests include clinical outcomes and quality of care in IBD. He has given invited lectures and presentations nationally and internationally on several clinical topics in inflammatory bowel disease, including quality of care and clinical outcomes. He is a committee member of several professional organizations, including the American College of Gastroenterology and the Crohn’s and Colitis Foundation, where he serves as co-chair of the IBD Quality of Care committee. He has led or participated in the development of quality measures for IBD with the American Gastroenterology Association, the Crohn’s and Colitis Foundation, and the Canadian Crohn’s and Colitis organizations.

Dr. Clarke is Professor and Chief of Gastroenterology and Hepatology, at The College of Medicine at Penn State Health Milton S. Hershey Medical Center. He is also the Graham Jeffries Endowed Professor of Medicine
Fellowships:
-Gastroenterology, Hepatology and Nutrition; University of Pittsburgh
-Research Fellowship; Michigan State University
Post Graduate:
-Medicine and Gastroenterology- Imperial College, Royal College of Physicians, London, UK

Additional Qualifications
-Certificate for Leadership Training for Physicians in Academic Medical Centers-
Harvard School of Public Health.
-Certificate of Completion, Penn State Leadership Academy

Clinical and Research Interests:
-Inflammatory Bowel Disease and Celiac Disease.
-Graduate Medical Education.

Lisa Malter, MD, FACG, is a Professor of Medicine at the NYU School of Medicine, the Director of Education for the NYU IBD Center and Director of the Inflammatory Bowel Disease Clinic at the Bellevue Hospital Center in New York City. Board-certified in Gastroenterology, Dr. Malter’s patient practice is focused primarily on inflammatory bowel disease, including Crohn’s disease and ulcerative colitis, and she has pioneered access to care for the underserved patient population at Bellevue. Dr. Malter’s academic interests include the study of inflammatory bowel disease, patient safety, and fellowship education. Dr. Malter teaches at the NYU Grossman School of Medicine and has published in Inflammatory Bowel Diseases,  The American Journal of Gastroenterology and CC360. She is a member of ACG, AGA, and the Crohn's and Colitis Foundation. She serves as the Editor of the ACG Universe, is a member of the ACG Training Committee, the ACG Education Task Force, and is a faculty advisor for the Crohn's &Colitis Foundation's Greater New York Fellows’ Education Committee. She created and created and directs IBD 101, a first year fellows course on IBD, in collaboration with NYU and the ACG.  Dr. Malter received her medical degree from Rosalind Franklin University/Chicago Medical School, completed her internal medicine internship and residency at The Mount Sinai Hospital in New York, and went on to complete a Gastroenterology fellowship at NYU Langone Medical Center.

Dr Nuru Noor is a Clinical Lecturer in Gastroenterology based at the University of Cambridge in the UK. He also works as a Postdoctoral Research Associate at the Medical Research Council Clinical Trials Unit - the largest academic clinical trials unit in Europe. He has a particular interest in novel clinical trial designs, having completed his PhD on this topic. He is keen to bring novel methodological approaches to the field of Gastroenterology, and in particular to IBD - which is his main area of clinical interest and expertise.

Dr. Hudesman is Director of the Inflammatory Bowel Disease Center at NYU Langone Health. He is Professor of Medicine at the NYU School of Medicine.

Dr. Hudesman specializes in the diagnosis and treatment of inflammatory bowel disease (IBD) and in the provision of integrated, seamless, patient-centered care. His research is focused on the development of biomarkers and evaluation and optimization of new medical therapies for the treatment of both Crohn’s disease and ulcerative colitis.

Dr. Hudesman served on the Educational Affairs Committee of the American College of Gastroenterology, and the Professional Membership Committee of the Crohn’s Colitis Foundation, and is currently on the Quality Committee of the American Gastroenterological Association.

Gil Y. Melmed, MD, MS, is the Clinical Director of the Inflammatory Bowel Disease Program and Associate Director of the Karsh Division of Digestive and Liver Diseases at Cedars-Sinai Medical Center in Los Angeles, California. He earned his medical degree from Albert Einstein College of Medicine in the Bronx, New York, and master of science in clinical research from UCLA School of Medicine, Los Angeles. Dr Melmed completed his gastroenterology fellowship at the University of California, Los Angeles.
He has authored or coauthored more than 250 articles in peer-reviewed journals and several book chapters. Dr Melmed has served as Associate Editor of the American Journal of Gastroenterology, an ad hoc reviewer for several journals, and clinical research editor for Inflammatory Bowel Disease. His research interests include clinical outcomes and quality of care in IBD. He has given invited lectures and presentations nationally and internationally on several clinical topics in inflammatory bowel disease, including quality of care and clinical outcomes. He is a committee member of several professional organizations, including the American College of Gastroenterology and the Crohn’s and Colitis Foundation, where he serves as co-chair of the IBD Quality of Care committee. He has led or participated in the development of quality measures for IBD with the American Gastroenterology Association, the Crohn’s and Colitis Foundation, and the Canadian Crohn’s and Colitis organizations.

Dr. Clarke is Professor and Chief of Gastroenterology and Hepatology, at The College of Medicine at Penn State Health Milton S. Hershey Medical Center. He is also the Graham Jeffries Endowed Professor of Medicine
Fellowships:
-Gastroenterology, Hepatology and Nutrition; University of Pittsburgh
-Research Fellowship; Michigan State University
Post Graduate:
-Medicine and Gastroenterology- Imperial College, Royal College of Physicians, London, UK

Additional Qualifications
-Certificate for Leadership Training for Physicians in Academic Medical Centers-
Harvard School of Public Health.
-Certificate of Completion, Penn State Leadership Academy

Clinical and Research Interests:
-Inflammatory Bowel Disease and Celiac Disease.
-Graduate Medical Education.

Lisa Malter, MD, FACG, is a Professor of Medicine at the NYU School of Medicine, the Director of Education for the NYU IBD Center and Director of the Inflammatory Bowel Disease Clinic at the Bellevue Hospital Center in New York City. Board-certified in Gastroenterology, Dr. Malter’s patient practice is focused primarily on inflammatory bowel disease, including Crohn’s disease and ulcerative colitis, and she has pioneered access to care for the underserved patient population at Bellevue. Dr. Malter’s academic interests include the study of inflammatory bowel disease, patient safety, and fellowship education. Dr. Malter teaches at the NYU Grossman School of Medicine and has published in Inflammatory Bowel Diseases,  The American Journal of Gastroenterology and CC360. She is a member of ACG, AGA, and the Crohn's and Colitis Foundation. She serves as the Editor of the ACG Universe, is a member of the ACG Training Committee, the ACG Education Task Force, and is a faculty advisor for the Crohn's &Colitis Foundation's Greater New York Fellows’ Education Committee. She created and created and directs IBD 101, a first year fellows course on IBD, in collaboration with NYU and the ACG.  Dr. Malter received her medical degree from Rosalind Franklin University/Chicago Medical School, completed her internal medicine internship and residency at The Mount Sinai Hospital in New York, and went on to complete a Gastroenterology fellowship at NYU Langone Medical Center.

Dr Nuru Noor is a Clinical Lecturer in Gastroenterology based at the University of Cambridge in the UK. He also works as a Postdoctoral Research Associate at the Medical Research Council Clinical Trials Unit - the largest academic clinical trials unit in Europe. He has a particular interest in novel clinical trial designs, having completed his PhD on this topic. He is keen to bring novel methodological approaches to the field of Gastroenterology, and in particular to IBD - which is his main area of clinical interest and expertise.

Dr. Jessica Allegretti currently serves as the Medical Director of the Crohn’s and Colitis Center at the Brigham and Women’s Hospital. In 2020, she received the Sherman Emerging Leader Prize for Excellence in Crohn’s and Colitis. In addition, she developed and leads the hospital’s Fecal Microbiota Transplantation Program and has grown to become and international expert on the topic. Dr. Allegretti cares for patients with inflammatory bowel disease as well as Clostridioides difficile (c.diff) infection. Her research focuses on the intestinal microbiome and the consequences of its derangement, with the goal of understanding the role dysbiosis plays in microbial associated diseases. In addition, her lab focuses on novel therapeutic agents for IBD and she is leading multiple sponsored and investigator initiated drug trials. For more information visit www.allegrettilab.com

Hans Herfarth is Director of the Multidisciplinary IBD Center at the University of North Carolina. His primary research interests focus on the development and evaluation of novel diagnostic and therapeutic approaches for patients with inflammatory bowel diseases (IBD). His work is particularly centered on the conceptualization and conduct of investigator-initiated clinical studies in IBD, supported by funding from the NIH, the Crohn’s & Colitis Foundation, and private and industry-associated foundations. Dr. Herfarth has authored more than 350 journal articles, book chapters, and review articles related to IBD.

Maria T. Abreu, MD, is a physician-scientist and gastroenterologist who specializes in inflammatory bowel diseases (IBD). She received her medical degree from the University of Miami School of Medicine and completed a residency in medicine at the Brigham and Women’s Hospital. She served as an Associate Professor of Medicine at Mount Sinai School of Medicine (and head of their IBD Center), a Professor of Medicine and Microbiology & Immunology at the University of Miami School of Medicine (and Director of the Crohn’s and Colitis Center), and currently is the Executive Director of the F. Widjaja IBD Institute at Cedars-Sinai Medical Center; in past years, she has served as the President of the American Gastroenterological Association (AGA) and the Chair of the International Organization for the Study of Inflammatory Bowel Diseases (IOIBD). Dr. Abreu has 30 years of leadership experience in basic, translational, and clinical research, and has authored almost 300 peer-reviewed articles, book chapters, and reviews. Her work has received multiple awards, including the 2019 Sherman Prize from the Bruce and Cynthia Sherman Charitable Foundation for outstanding achievements in IBD and Healio’s Lifetime Disruptor Award for addressing critical unmet needs in IBD. Her research focuses on interactions between the gut microbiome and the innate immune system in the development of IBD and IBD-associated colon cancer. Currently, Dr. Abreu’s team is investigating how diet may shape the gut microbiome and alleviate IBD symptoms. Understand the underlying mechanisms can help us develop targeted treatment strategies to help patients live their best lives.

Gastroenterologist with an interest in inflammatory bowel diseases.

Dr. Hudesman is Director of the Inflammatory Bowel Disease Center at NYU Langone Health. He is Professor of Medicine at the NYU School of Medicine.

Dr. Hudesman specializes in the diagnosis and treatment of inflammatory bowel disease (IBD) and in the provision of integrated, seamless, patient-centered care. His research is focused on the development of biomarkers and evaluation and optimization of new medical therapies for the treatment of both Crohn’s disease and ulcerative colitis.

Dr. Hudesman served on the Educational Affairs Committee of the American College of Gastroenterology, and the Professional Membership Committee of the Crohn’s Colitis Foundation, and is currently on the Quality Committee of the American Gastroenterological Association.

Dr. Jessica Allegretti currently serves as the Medical Director of the Crohn’s and Colitis Center at the Brigham and Women’s Hospital. In 2020, she received the Sherman Emerging Leader Prize for Excellence in Crohn’s and Colitis. In addition, she developed and leads the hospital’s Fecal Microbiota Transplantation Program and has grown to become and international expert on the topic. Dr. Allegretti cares for patients with inflammatory bowel disease as well as Clostridioides difficile (c.diff) infection. Her research focuses on the intestinal microbiome and the consequences of its derangement, with the goal of understanding the role dysbiosis plays in microbial associated diseases. In addition, her lab focuses on novel therapeutic agents for IBD and she is leading multiple sponsored and investigator initiated drug trials. For more information visit www.allegrettilab.com

Hans Herfarth is Director of the Multidisciplinary IBD Center at the University of North Carolina. His primary research interests focus on the development and evaluation of novel diagnostic and therapeutic approaches for patients with inflammatory bowel diseases (IBD). His work is particularly centered on the conceptualization and conduct of investigator-initiated clinical studies in IBD, supported by funding from the NIH, the Crohn’s & Colitis Foundation, and private and industry-associated foundations. Dr. Herfarth has authored more than 350 journal articles, book chapters, and review articles related to IBD.

Maria T. Abreu, MD, is a physician-scientist and gastroenterologist who specializes in inflammatory bowel diseases (IBD). She received her medical degree from the University of Miami School of Medicine and completed a residency in medicine at the Brigham and Women’s Hospital. She served as an Associate Professor of Medicine at Mount Sinai School of Medicine (and head of their IBD Center), a Professor of Medicine and Microbiology & Immunology at the University of Miami School of Medicine (and Director of the Crohn’s and Colitis Center), and currently is the Executive Director of the F. Widjaja IBD Institute at Cedars-Sinai Medical Center; in past years, she has served as the President of the American Gastroenterological Association (AGA) and the Chair of the International Organization for the Study of Inflammatory Bowel Diseases (IOIBD). Dr. Abreu has 30 years of leadership experience in basic, translational, and clinical research, and has authored almost 300 peer-reviewed articles, book chapters, and reviews. Her work has received multiple awards, including the 2019 Sherman Prize from the Bruce and Cynthia Sherman Charitable Foundation for outstanding achievements in IBD and Healio’s Lifetime Disruptor Award for addressing critical unmet needs in IBD. Her research focuses on interactions between the gut microbiome and the innate immune system in the development of IBD and IBD-associated colon cancer. Currently, Dr. Abreu’s team is investigating how diet may shape the gut microbiome and alleviate IBD symptoms. Understand the underlying mechanisms can help us develop targeted treatment strategies to help patients live their best lives.

Gastroenterologist with an interest in inflammatory bowel diseases.

Dr. Hudesman is Director of the Inflammatory Bowel Disease Center at NYU Langone Health. He is Professor of Medicine at the NYU School of Medicine.

Dr. Hudesman specializes in the diagnosis and treatment of inflammatory bowel disease (IBD) and in the provision of integrated, seamless, patient-centered care. His research is focused on the development of biomarkers and evaluation and optimization of new medical therapies for the treatment of both Crohn’s disease and ulcerative colitis.

Dr. Hudesman served on the Educational Affairs Committee of the American College of Gastroenterology, and the Professional Membership Committee of the Crohn’s Colitis Foundation, and is currently on the Quality Committee of the American Gastroenterological Association.