Dr. Marianne Anastasia De Roza completed her Bachelor of Medicine, Bachelor of Surgery (MBBS) and Master of Medicine (MMed) in Internal Medicine at the National University of Singapore.
Thereafter, she progressed to advanced specialty training in gastroenterology at Singhealth and is an accredited specialist in gastroenterology with more than 10 years of endoscopy experience. She regularly performs endoscopic procedures, including cancer screening gastroscopy and colonoscopy, as well as therapeutic interventions to remove polyps or control bleeding.
In addition, her subspecialty focus is on liver disease. She was invited to join Sengkang General Hospital as a specialist in its inaugural year and helped to set up the hepatology service which she subsequently headed from 2022-2025, expanding and leading a team comprising of specialists, specialty nurses, research and care coordinators. Having a special interest in palliative hepatology and liver cirrhosis, she further pursued a graduate diploma in palliative medicine and was director of the multidisciplinary liver supportive care programme-PEACE, a pilot programme she established for end stage liver disease, pioneering a new model of care which has been adopted by other hospitals. She wrote and implemented hospital protocols and served as a committee member in various workgroups for liver disease.
Her research interests include fatty liver, palliation in liver disease, liver cirrhosis and its complications. She has participated in several multi-centre research collaborations with competitive grant support. Dr. Marianne was actively involved in education and was appointed as Asst Professor at Duke-NUS Medical School and NUS Yong Loo Ling School of Medicine. She was also the Site Director, Core Faculty and Clinical Competency Committee member for the Singhealth Gastroenterology Senior Residency Programme. She continues to be a visiting consultant at Sengkang General Hospital.
Dr. Marianne’s approach to patient care is guided by empathy and a commitment to improving quality of life for her patients. She believes in personalizing treatment plans through shared goals, with patient safety and comfort at the heart of every step.
Dr. Marianne's specialty interests include general gastroenterology, digestive cancer screening, advanced liver disease, palliative and supportive care.