About Us

About Melissa

Melissa began her career as a Gastrointestinal Physiologist in St. James’s’ Hospital Dublin. During her ten year career in St. James’s, Melissa took a keen interest in Small Intestinal Bacterial Overgrowth and completed a research project. Melissa is a fully accredited Gastrointestinal Physiologist and is a member of both the Irish Institute of Clinical Measurement Scientists and the British Society of Gastroenterology. Protocols established during her research have been implemented in St. James’s Hospital to improve patient services and better practices. She has multiple publications and has presented her research at both national and international conferences. Melissa was awarded the RES MED/PEI award in 2008 by the Dublin Institute of Technology for her outstanding academic achievements.

Professional Qualifications

BSc First Class Honours Clinic Measurement Science, Dublin Institute of Technology

Specialist GI Physiology course and AGIP professional body examinations, De Montfort University Leicester, United Kingdom

Masters of Philosophy – Small Intestinal Bacterial Overgrowth in Post Oesophagectomy and Gastrectomy Patients, Dublin Institute of Technology

Melissa Dooley, MSc (Hons), MPhil

Gastrointestinal Physiologist

Founder and Director of GastroLife

Professional Bodies

Accreditation in GI Physiology, British Society of Gastroenterology

Member of the Irish Institute of Clinical Measurement Scientists

Medical Advisory Board

May 2021 – Present

Member of the Medical Advisory Board for Bedfont Scientific Ltd

The medical advisory board has a number of Key Opinion Leaders (KOLs) in the respiratory world to help raise awareness and educate about the benefits of breath analysis for medical applications.


MedTech Award -Enterprise Ireland

Gastrolife were delighted to win Bronze in the MedTech Category at this years National start up awards sponsored by Enterprise Ireland. There was a total over 900 entries.

Business All Star Awards

Melissa Dooley from GastroLife was awarded an All-Star Accreditation at the All-Ireland Business Summit 2017 hosted in Croke Park.

GastroLife wins award for best established business 2019

Pictured at the presentation of awards for the Dun Laoghaire-Rathdown County final of Ireland’s Best Young Entrepreneur were, left to right, Melissa Dooley – Director Gastrolife, Councillor Ossian Smyth – DLR County Council.


Melissa was awarded the RES MED/PEI award in 2008 by TU Dublin for academic achievements. Highest final year academic results 1:1


‘Small intestinal bacterial overgrowth in patients post major upper gastrointestinal surgery’ Diseases of the Esophagus, Volume 30, Issue 5, 1 May 2017

‘Guide to managing persistent upper gastrointestinal symptoms during and after treatment for cancer’ Panel Reviewer, Frontline Gastroenterology, Issue 8, Volume 4, October 2016

‘Oesophageal manometry: 10-year audit from a specialist centre, and early experience with high-resolution manometry’ Irish Journal of Medical Science, Volume 184, Issue 2, June 2015

‘A survey on patient wellbeing and patient comfort during oesophageal intubations. A Multicentre study’ GUT BMJ Journals, Volume 63, Issue 1 supplement June 2014

A survey on patient wellbeing and patient comfort during oesophageal intubations. A Multicentre study’ Newwave, The official newsletter for the Association of GI Physiologists, June 2014