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Dr Jack Hollingsworth


Dr Hollingsworth qualified from UCD 1979, worked as Gastroenterology register in the Mater Hospital in 1983 and then worked as a Senior Fellow McMaster University in Ontario Canada from 1984 to 1987.  Jack has worked as a Consultant in Gastroenterology and General Medicine since 1987.

Dr Mary Shuhaibar

Dr. Mary Shuhaibar (LRCP&SI MB BCh NUI, MRCPI, MRCPS (Glasg), PhD) is a Consultant Gastroenterologist with special interest in inflammatory bowel disease and colorectal cancer.

Following her qualification from the Royal College of Surgeons in Dublin and completing her specialist medical training in Gastroenterology and General Internal Medicine from the RCPI, she completed her PhD in Inflammatory Bowel Disease in 2016 from Trinity College Dublin. Dr. Shuhaibar was appointed as Lecturer in Clinical Medicine and Gastroenterology at Trinity College Dublin from 2006-2010. She completed a fellowship in IBD from Oxford, UK prior to her return to Ireland.  

She has been involved in multiple research projects nationally and internationally and has multiple research publications in the field of IBD and colorectal cancer. She is a member of the Irish Society of Gastroenterology, the European Crohn’s Colitis Organization (ECCO) and European Society of Gastroenterology Endoscopy (ESGE). Her main interests are inflammatory bowel disease, diagnostic and therapeutic Endoscopy, general Gastroenterology, quality of Care for patients with GI diseases, colorectal screening, video capsule endoscopy , Haemochromatosis and Education.

Direct Access Hotline: 087 6060 283

Dr Masood Iqbal


Consultant Gastroenterologist & Hepatologist

Dr. Masood Iqbal graduated from Sindh Medical College, Karachi, Pakistan. He completed his Internal Medicine Training in Jinnah Post Medical Centre (JPMC), Pakistan and obtained his fellowship (FCPS) from the College of Physicians and Surgeons of Pakistan in 2000.

He then came to Ireland in 2002 and passed the membership exam of the Royal College of Physicians of Ireland in the same year. He completed his training in Hepatology and Gastroenterology from The University Hospital Limerick, St. Vincent’s University Hospital and Mater University Hospital.

He has passed the Specialty Certificate Examination in Gastroenterology from the Royal College of Physicians UK in 2012 and the European Board of Gastroenterology exam in 2015 and received his Fellowship (FEBGH).

Dr. Iqbal has also worked as a Consultant Hepatologist & Transplant Physician in The National Liver Transplant Unit at SVUH from 2013 to 2016. Currently, I am also working as a Consultant Gastroenterologist /Hepatologist and Transplant Physician in the National Liver Transplant at St.Vincent’s University Hospital.

Dr. Iqbal specialises in Endoscopy and in a broad range of Gastrointestinal disorders with an emphasis on Chronic Liver Diseases; Viral Hepatitis, Autoimmune Liver Diseases, Haemochromatosis , Fatty Liver Disease and management of Cirrhosis and its complications.

He is a member of the Irish Society of Gastroenterology (ISG), the American Gastroenterological Association (AGA), the European Association for the Study of the Liver (EASL) and the American Association for the Study of Liver Diseases (AASLD). Dr Iqbal has also published several articles in his field and is actively involved in Medical Education.

Dr Shiobhan Weston

Telemedicine with Zoom as well as telephone consultations as an alternative to office visits are
being offered in the current Covid-19 setting.
Professor Shiobhan Weston currently works as a Consultant Gastroenterologist and Hepatologist at
Beacon Hospital and is Clinical Associate Professor at the School of Medicine at UCD Science. In
addition to clinical gastroenterology and her teaching commitments, she is a member of Beacon
Hospitals’ dedicated pelvic floor group and is on the Board of Directors at Beacon Consultant’s

Her clinical and research interests are expansive and include colon cancer screening, gastrooesophageal
reflux disease, Helicobacter Pylori infection, irritable bowel syndrome, SIBO, IBD, and
liver disease. Over the last few years, she developed an evolving interest in the complex interplay of
the gut brain axis and the gut microbiome as it relates to nutrition and mental health.

Professor Shiobhan Weston received her medical degree from The Royal College of Surgeons in
1992. She completed her internship, residency in General Medicine and 1-year fellowship in
Hepatology at Beaumont Hospital in Dublin.
She left Ireland in 1996 and completed her ABIM requirements in Internal Medicine and subspecialty
training in Inflammatory Bowel Disease, Gastrointestinal motility disorders, IBS, and Liver disease at
The Mayo Clinic, in Rochester, Minnesota, followed by a 3 year fellowship in Gastroenterology and
Transplant Hepatology at UCLA and the UCLA-Dumont Transplant Center in Los Angeles. She was
awarded an Advanced Hepatology Research fellowship award and funding for formal training in
clinical research, epidemiology, biostatistics, and liver transplant medicine at UCSF in San Francisco.
Prior to her current appointment, she was Assistant Professor of Medicine at New York-Presbyterian
Hospital in New York and The Director for the Center for Liver Disease at Winthrop-University

– Irish Medical Council
– Fellowship to the Royal College of Physicians in Ireland
– Membership to the Royal College of Physicians (UK)
– Irish Society of Gastroenterology
– European Society of Gastrointestinal Endoscopy
– American College of Gastroenterology
– American Gastroenterology Association
– American Society of Gastrointestinal Endoscopy

2006 Gastroenterology and General Internal Medicine Specialist Registration Ireland.
2003 Medical Board of New York State.
2001 Diplomate, American Board of Gastroenterology.
1998 Diplomate, American Board of Internal Medicine.
1998 Medical Board of California.
1996 The Royal College of Physicians MRCP (UK)
1992 Medical Council of Ireland L.R.C.P. & S.I. (N.U.I.), M.B., BCh., B.A.O.
Certificate Number 163311 Registration Number 16564

 Ireland AM Show TV3. “What is Irritable Bowel Syndrome? August 28th, 2015.
 The Irish Independent. “Immunity on Attack”. March 16th, 2015.
 The Morning Show East Coast FM with Declan Meehan. “Symptoms, detection, and
treatment of Bowel Cancer”. Bowel Cancer Awareness Month April 22nd, 2010.

 Raynaud’s and Scleroderma Ireland Society Conference. “GUT Manifestations of
Scleroderma”. April 26th, 2014.
 Top Tips for Consultant Psychiatrists Meeting. “Top Tips in Liver Disease”, April 19th, 2013.
 The First Annual Woman’s Gastroenterology Meeting in Ireland. “Fatty Liver Disease. The
Silent Epidemic”. May 11th, 2011.

 Weston SR, Kowdley K, “Nonalcoholic fatty liver disease: Hepatology: A Practical
Approach.” Elsevier Science BV. 2004.

Sinead Smith1, Breida Boyle2, Denise Brennan1, Martin Buckley3, Paul Crotty4, Maeve Doyle5,
Richard Farrell6, Mary Hussey1, David Kevans1,7, Peter Malfertheiner8, Francis Megraud9, Sean
Nugent10, Anthony O’Connor11, Colm O’Morain1,12, Shiobhan Weston 12, Deirdre McNamara1,13
The Irish Helicobacter Pylori Working Group consensus for the diagnosis and treatment of
Helicobacter pylori infection in adult patients in Ireland. Eur J Gastroenterology Hepatol 2017

Dr Niall Breslin

Dr. Breslin graduated from Royal College of Surgeons in Ireland in 1991. Dr. Breslin is a member of the Royal College of Physicians, in Ireland in 1994. He trained in Gastroenterology and Hepatology in the Meath and Adelaide Hospitals, Dublin before completing a Fellowship in Inflammatory Bowel Disease at the University of Calgary, Canada in 1998. He spent a further period of training in The General Infirmary and St James’s Hospital, Leeds. He received his Certificate of Completion of Specialist Training in Gastroenterology, Hepatology and General Medicine from the Royal College of Physicians in London in October 2000. He also received his MD from Trinity College, Dublin.

In 2001 he completed a Fellowship in Advanced Endoscopy at the Medical University of South Carolina, USA. Dr Breslin was appointed Consultant Gastroenterologist and Hepatologist in St James’s University Hospital, Leeds in 2001 where he worked until 2005 when he was appointed as Consultant in the Adelaide & Meath Hospital, Tallaght, Dublin. His special interests include advanced endoscopy, inflammatory bowel disease, liver diseases, and gastro-intestinal cancer.