Professor of Medicine
Faculty of Medicine
Universidad Nacional Autónoma de México (UNAM).
Interim Head, Unit of Research in Experimental Medicine Dr. Ruy Pérez Tamayo (UME), and
Responsible Researcher, Laboratory of Neurogastroenterological Disorders, UME UNAM.
Mexico City, Mexico
Dr. Schmulson was born in Barranquilla-Colombia and received his MD degree from the Pontificia Universidad Javeriana of Santa Fe de Bogota, where he then trained in Internal Medici ne. After, he continued his Gastroenterology training in the Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (INCMNSZ) in Mexico City, graduating with the award for the Best Residency-Graduation Thesis. He then worked in Los Angeles under the mentorship of Dr. Emeran Mayer in UCLA, focusing on the differences in symptoms, motility, and visceral sensitivity of IBS patients according to the bowel habit predominance.
Upon returning to Mexico, he worked in the INCMNS Z for 6 years, and in 2005 he was appointed
Full Professor of Medicine of the Universidad Nacional Autónoma de México (UNAM) and worked in the Laboratory of Liver, Pancreas and Motility (HIPAM) of the Unit of Research in Experimental Medicine Dr. Ruy Pérez Tamayo (UME). In November first-2024, after 20 years of working at the UME, he was appointed Interim Head of the UME which he still runs, and this year, he created the new Laboratory of Neurogastroenterological Disorders for which he is the Responsible Researcher.
Dr. Schmulson’s research is focused on the epidemiology of Disorders of Gut-Brain Interaction (DGBI), and in the immunological and neuroendocrinological factors, as well as the microbiome associated with IBS and other DGBI. He also works in Clínica Lomas Altas in Mexico City where he runs the Motility Unit and, in the Gastroenterology, and Endoscopy Group in the American British Cowdray (ABC) Medical Center.
Dr. Schmulson has authored and co-authored more than 130 papers on peer-reviewed journals, 8 books and 79 book chapters. In 5 opportunities he has received the award “Dr. Abraham Ayala Gonzáles” and the Epidemiological Research from the Mexican Gastroenterological Association (AMG), and in November 2025 the “Dr. Bernardo Sepúlveda” Award on Basic Science of the same AMG with the work entitled “Redox and immune dysregulation in functional dyspepsia (FD): Analysis of oxidative stress biomarkers and inflammatory profile”. In the past, he worked in the Latin American Consensus on IBS and coordinated the Latin American Consensus on Chronic Constipation, served as Chair of the Membership Committee of the former Functional Brain-Gut Research Group and as Councillor as well. In 2006 he was one of the founders of the Latin American Society for Neurogastroenterology (SLNG) and served as its the first President and currently serves as Treasurer of Neurogastrolatam AC, incorporated to SLNG. He also served as Editor in Chief of the Revista de Gastroenterología de México from 2012-2014 and as Associated Editor of the American Journal of Gastroenterology from 2010-2015, and currently serves as Co-Editor in Chief of Neurogastrolatam Reviews, the official journal of the SLNG. He also serves as peer reviewer for several journals. He is a National Researcher Level III (SNII-III) of the National System of Researchers of the Department of Sciences, Human studies, Technology and Innovation (SECIHTI) of the Government of Mexico, and a member of the National Academy of Medicine of Mexico. He is the President of the Scientific Committee of the 2026 FNM meeting, that will take place in Santa Fé de Bogotá-Colombia on November 5-7, 2026.
Dr. Schmulson’s work with the Rome Foundation includes the Spanish translation of the Rome II Modular Questionnaire and Rome III Adult questionnaire, on the Management and Design of Treatment Trials Committee of the Rome CD Slide Set and serving as a charter member of the International Liaison Committee and as Chair from 2009 to 2013. He also served in the Multinational Working Team that released its report in 2014, in the Multi-Cultural Aspects and Design of Treatment Trials chapters of Rome IV and in the IBS Global Study Executive Committee. He is currently a member of the Rome V Editorial Board, and of the Rome V Bowel Committee.
