About Us

About Melissa

Melissa has over 15 years’ experience, (of which 10 years were spent in St. James’s Hospital Dublin) specialising in GI function testing. During her ten-year career in St. James’s Hospital, Melissa took a keen interest in Small Intestinal Bacterial Overgrowth and completed a Masters of Philosophy research project in conjunction with the Department of Surgery. Melissa now works full-time in Gastrolife as a Senior Gastrointestinal (GI) Physiologist.

In January 2023, Melissa began her role as Clinical Lecturer in GI Physiology in Atlantic Technological University, Sligo.

Melissa is a fully accredited GI Physiologist and is a member of both the Irish Institute of Clinical Measurement Scientists and The British Society of Gastroenterology.  Melissa 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 Technology University Dublin for her outstanding academic achievements.

Melissa Dooley, BSc (Hons), MPhil

Gastrointestinal Physiologist

Founder and Director of GastroLife
Clinical Lecturer in GI Physiology, Atlantic Technological University, Sligo – Dec 2023

Professional Bodies

Accreditation in GI Physiology, British Society of Gastroenterology

Member of the Irish Institute of Clinical Measurement Physiology

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

Melissa accepted a presentation award from the Dun Laoghaire-Rathdown County final of Ireland’s Best Young Entrepreneur.


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