Personal profile
Biography
Dr Geri Ooi is an early career Senior Lecturer in Monash University and Upper GI and General Surgeon at Monash Health.
She completed her PhD in obesity, metabolic disease and bariatric surgery in 2019. She remains active in clinical and translational research, as well as surgical education. Her ongoing research interests are in the interaction between obesity and gastrointestinal cancer care, sarcopaenia microplastics in humans, gastric cancer heterogeneity and quality improvement in general surgery.
Dr Ooi finished her General Surgical training at Alfred and Austin Health in 2019, and was subsequently admitted into further subspecialty training with the AANZ Gastric and Oesophageal Surgery Association (AANZGOSA) training program from 2020-2021. She went overseas in 2022-2023 to complete a fellowship in Surgical Oncology at the prestigious Memorial Sloan Kettering Cancer Center in New York.
Dr Ooi is an active member of the Academic Surgery Committee for the Royal Australasian College of Surgeons (RACS), as well as the Younger Fellows Committee. She is a hospital supervisor of Surgical Training at Monash Health and develops surgical curriculum for the Monash University Medical Course.
Education/Academic qualification
Surgery, PhD, Clinical and pathophysiological aspects of nonalcoholic fatty liver disease in bariatric surgery, MONASH UNIVERSITY
2 Feb 2015 → 16 Aug 2019
Award Date: 16 Aug 2019
MBBS, MONASH UNIVERSITY
Award Date: 8 Dec 2008
BMedSc, MONASH UNIVERSITY
Award Date: 8 Dec 2008
External positions
Upper GI Surgeon, Monash Health
12 Sept 2023 → …
Research area keywords
- Gastric Cancer
- Oesophageal cancer
- Obesity
- Bariatric Surgery
- Fatty liver disease
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 3 Good Health and Well-being -
SDG 4 Quality Education -
SDG 11 Sustainable Cities and Communities
Collaborations and top research areas from the last five years
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Spatial Blueprints and Therapeutic Targets in Early-Onset Gastric Cancer
Flanagan, D. (Primary Chief Investigator (PCI)) & Ooi, G. (Associate Investigator (AI))
1/01/26 → 31/12/26
Project: Research
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Intentional preoperative weight loss for patients with obesity and gastrointestinal cancer: Investigating safety, acceptability and efficacy
Ooi, G. (Primary Chief Investigator (PCI))
1/01/26 → 31/12/27
Project: Research
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Pathophysiology and treatment of non-alcoholic fatty liver disease: Effects of bariatric surgery
Ooi, G. (Primary Chief Investigator (PCI)) & Brown, W. (Chief Investigator (CI))
1/02/17 → 31/01/18
Project: Research
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Pathophysiology and treatment of non-alcoholic fatty liver disease: Effects of bariatric surgery
Ooi, G. (Primary Chief Investigator (PCI))
NHMRC - National Health and Medical Research Council (Australia)
1/01/16 → 28/02/18
Project: Research
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Pathophysiology and treatment of non-alcoholic steatohepatitis (NASH): Effects of bariatric surgery and weight loss
Ooi, G. (Primary Chief Investigator (PCI))
Royal Australasian College of Surgeons (RACS)
16/02/14 → 15/02/15
Project: Research
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Effect of Body Mass Index on Intraoperative Complications During Hepatic Resection for Malignancy
Menzie, J., Coates, T., Liew, A., Fernando, V., Cheong, A., Xiao, L., King, N., Li, Y., Ackermann, T., Sritharan, M., Croagh, D. & Ooi, G., Jul 2025, In: ANZ Journal of Surgery. 95, 7-8, p. 1462-1469 8 p.Research output: Contribution to journal › Article › Research › peer-review
Open Access2 Link opens in a new tab Citations (Scopus) -
Integrated liver-secreted and plasma proteomics identify a predictive model that stratifies MASH
De Nardo, W., Lee, O., Johari, Y., Bayliss, J., Pensa, M., Miotto, P. M., Keenan, S. N., Ryan, A., Rucinski, A., Svinos, T. M., Ooi, G. J., Brown, W. A., Kemp, W., Roberts, S. K., Parker, B. L., Montgomery, M. K., Larance, M., Burton, P. R. & Watt, M. J., 20 May 2025, In: Cell Reports Medicine. 6, 5, 19 p., 102085.Research output: Contribution to journal › Article › Research › peer-review
Open Access12 Link opens in a new tab Citations (Scopus) -
Pathological response guides adjuvant 5-fluorouracil, leucovorin, oxaliplatin, and docetaxel (FLOT) chemotherapy in surgically resected gastro-oesophageal cancer (SPACE-FLOT): international cohort study
SPACE-FLOT Investigators, Apr 2025, In: British Journal of Surgery. 112, 4, 11 p., znaf056.Research output: Contribution to journal › Article › Research › peer-review
15 Link opens in a new tab Citations (Scopus) -
Reducing surgical site infection in emergency colorectal surgery: the case for topical tranexamic acid
Gosavi, R., Ooi, G., Nguyen, T. C., Teoh, W. & Narasimhan, V., Dec 2025, In: International Journal of Colorectal Disease. 40, 1, 2 p., 222.Research output: Contribution to journal › Letter › Other › peer-review
Open Access -
Two-surgeon dual-console robotic low anterior resection with selective lateral lymph node dissection—a video vignette
Ooi, G. J., Narasimhan, V. & Weiser, M. R., Jan 2024, In: Colorectal Disease. 26, 1, p. 214-216 3 p.Research output: Contribution to journal › Comment / Debate › Other › peer-review