Meet The Team

Dr Ben Katz is Director of Kew Endoscopy since its inception in 2003. Dr Katz graduated from medicine in 1981 and completed his fellowship specialising in Gastroenterology in 1991 through Prince Henry’s Hospital and Monash Medical Centre.

His practice includes management of digestive diseases including Gastro-Oesophageal reflux, peptic ulcer disease, Crohn’s disease, Ulcerative Colitis, Colon Cancer screening and Hepato-biliary disease. He is fully certified for endscopic procedures including Gastroscopy, Colonoscopy and Capsule Endoscopy of the Small intestine.

Dr Katz has appointments at Monash Medical Centre, Cabrini Hospital and Epworth Hospital. He is a member of RACP and GESA and regularly attends local and international conferences.

Dr Ross Balson is an experienced gastroenterologist having trained at The Royal Melbourne and Western Hospitals and subsequently in the Eastern Suburbs of Melbourne in private practice and at Box Hill Hospital for 20 years where he established the hepatitis clinic.

In 2005, he worked at St. Thomas' hospital in London where he trained in EUS (endoscopic ultrasound), a specialised procedure used in the staging and diagnosis of pancreatic and other cancers. He was one of the first few gastroenterologists in Melbourne to train in EUS.

He has a particular interest in bowel cancer screening and prevention through colonoscopy and is an approved colonoscopist of the National Bowel Cancer screening program.
 

Catherine is dedicated to raising awareness about prevention and diagnosis of digestive disease and is committed to delivering quality patient care.

Dr. Sorrell graduated from Monash University in 1993, and has had specialist training at Monash Medical Centre. She has received a fellowship in Endoscopy & Clinical Gastroenterology at Dandenong Hospital FRACP in 2000.

Her special interests include:
1. Inflammatory Bowel Disease
2. Colorectal Screening and Prevention
3. Functional Gastroenterological Disorders
4. Liver Disease


 

Dr Dilip Ratnam is a Melbourne and UK trained Gastroenterologist and Hepatologist. His clinical expertise covers a wide spectrum of gastroenterological conditions including Inflammatory Bowel Disease, Irritable bowel syndrome, GORD, Colon Cancer screening and Coeliac disease and he is an experienced endoscopist. Dilip also has particular expertise and interest in diseases of the liver having completed a PhD in viral hepatitis.
 

Dilip has a Bachelor of Science from Monash University, and a Bachelor of Medicine/Bachelor of Surgery from Flinders University in Adelaide, SA. He undertook his Internal medicine and Gastroenterology training at The Alfred and Royal Melbourne Hospitals and also a year of specialist training in the UK at the Royal Free Hospital, one of London’s two liver transplant centres. He was awarded his fellowship of the Royal Australian College of Physicians in 2005.

Dr Linda Yang is a highly experienced gastroenterologist, endoscopist, and clinician-researcher with a senior medical appointment at St Vincent’s Hospital in Melbourne. Linda completed her specialist gastroenterology training at St Vincent's Hospital and further obtained post-fellowship training in advanced endoscopy and inflammatory bowel disease. She is excited to bring her unique hybrid skillset to Kew Endoscopy Centre.

As a senior clinical lecturer at the University of Melbourne, Linda holds a PhD on endoscopic quality and use of artificial intelligence in endoscopy. She was the lead author of the 2025 Australia and New Zealand Position Statement on Quality of Upper Gastrointestinal Endoscopy and applies these gold-standards to her day-to-day clinical practice. 

Linda is fluent in Korean which is unique amongst Victorian gastroenterologists. She is known for her contemporary and compassionate approach to care and works in close partnership with general practitioners and other health professionals to ensure collaborative, holistic care. 


 

After overseas training in Europe and Singapore, Mr Sitzler has performed major and minor colorectal surgery in Melbourne for over 30 years.
 

He holds public appointments at Box Hill Hospital and Blackburn Hospital, as well as private appointments at Epworth Hospital, Holmesglen Hospital, Linacre Hospital, and Cabrini Hospital.
 

He performs most colorectal surgeries, including minimally invasive surgery using robotics and laparoscopic techniques.














 

Greg Moore is Head of IBD at Monash Medical Centre in Melbourne and an Associate Professor in the Department of Medicine, Monash University.

​

He is a Board member of Crohn’s and Colitis Australia and Chair of the Medical and Scientific Committee of CCA.

​

He graduated from Monash University and completed Gastroenterology training at Monash Medical Centre and St. Vincent’s Hospital Melbourne.

​

He then undertook a basic science PhD at the University of Melbourne, and returned to found the Inflammatory Bowel Diseases Unit at Monash Medical Centre in 2007 where he oversees a multi-disciplinary IBD clinic providing tertiary referral services to the South East of Melbourne and country Victoria.

​

Greg combines private practice with coordinating clinical trials, undertaking ongoing research, supervising PhD and BMedSci students, and is an active undergraduate and post-graduate teacher.

​

Greg consults privately from Clayton and performs Endoscopy in Kew East and Glen Iris.

.