Meet The Team

OUR Team

All OWN Dietitians are CORU registered general practitioners working across all areas of dietetics

At Orla Walsh Nutrition, we’re more than just a clinic—we’re your dedicated partner in health and wellness. Renowned across Ireland, our practice is committed to providing evidence-based, practical advice that truly impacts lives. Our diverse team of Registered Dietitians offers expertise in areas ranging from fertility and weight management to heart health and athletic performance. We believe in personalised, person-centred care because nutrition is deeply individual. Contact us or book an appointment to experience how tailored nutritional guidance can transform your health, one step at a time.

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Orla Walsh, RD

Orla Walsh Dietitian

Orla initially graduated as a Physiologist from Trinity College Dublin. She then became a Clinical Nutritionist by completing an MSc in Clinical Nutrition from Roehampton University. In order to work with medical conditions and within a hospital setting, Orla needed to become a Registered Dietitian so she studied for a PgDip in Dietetics at Kings College London. As sports performance is a personal interest to her, this lead to a professional interest in becoming a Performance/ Sports Nutritionist. Therefore, Orla continued her studies and gained a PgDip in Sports & Exercise Nutrition at Ulster University.

 

Orla has worked in hospitals in the UK and Ireland. However, has been working as a Dietitian in her own clinic since 2011. 

Orla was the former Head Performance Nutritionist and Dietitian with Athletics Ireland and consultant to the Irish Institute of Sport where she worked with many athletes in the build up to the 2016 Rio Olympics.

Orla Walsh is the authoritative figure that leading PR agencies, brands, and corporate entities trust for unmatched expertise. She has partnered with numerous global and local brands and worked with countless top tier corporates and retailers on their nutrition strategies.

She has written for the Irish Independent since 2016 and is a regular contributor to other national media outlets across print, TV and radio. Orla also runs a number of active social media accounts across multiple platforms, while also running her healthy living blog and providing countless recipes for people to learn from.

Areas of Interest

  • PCOS,
  • Fertility,
  • Cholesterol,
  • Sports Nutrition,
  • IBS,
  • Weight management.

Qualifications

  • PgDip Dietetics, Kings College London.
  • MA Physiology, Trinity College Dublin
  • MSc Clinical Nutrition, Roehampton University, London
  • PgDip Sports and Exercise Nutrition at the University of Ulster
  • Certificates & additional training in Behaviour Change, the low FODMAP diet, Fertility, PCOS and ISAK Anthropometry.

Deborah Crossan, RD​

Deborah Crossan Orla Walsh Nutrition

Deborah Crossan is a Registered Dietitian with a wealth of experience spanning multiple areas of dietetics. She is deeply passionate about promoting health through a holistic approach that integrates both physical and mental wellbeing.

Deborah’s academic foundation includes a BSc in Human Nutrition and Dietetics from Trinity College Dublin and an MSc in Nutrition, Physical Activity, and Public Health from the University of Bristol. With additional certifications in Behaviour Change and Interviewing techniques, as well as training in Cognitive Behaviour Therapy (CBT) and Dialectical Behaviour Therapy (DBT) she is well-equipped to support clients in making meaningful, sustainable lifestyle changes.

Deborah loves to work with children, adults and families

 

Outside of work, Deborah embraces the outdoors, cherishing good food in the company of friends and seeking out new adventures that inspire her active and balanced lifestyle.

Areas of Interest

  • Disordered eating
  • Nutrition for kids
  • Family nutrition
  • Diabetes
  • Fertility
  • PCOS

Qualifications

  • BSc Human Nutrition & Dietetics, Trinity College Dublin
  • MSc Nutrition, Physical Activity and Public Health, University of Bristol
  • Certificates in Cognitive Behaviour Therapy (CBT), Dialectical Behaviour Therapy (DBT), Interviewing, and Behaviour Change

Jessica Mellote, RD​

Jessica Mellotte Orla Walsh Nutrition

Jessica Mellotte is a Registered Dietitian with a wealth of expertise in weight management and its related conditions. She has extensive experience providing guidance to patients preparing for or recovering from bariatric surgery, including gastric balloon, gastric band , gastric sleeve, gastric bypass and weight loss injections like saxenda and ozempic.

Her academic achievements include a BSc (Hons) in Human Nutrition and Dietetics from Cardiff Metropolitan University and an MSc in Obesity from the National University of Galway. Jessica has further honed her skills with specialised training in Motivational Interviewing and Behaviour Change.

Passionate about empowering individuals to take control of their health, Jessica combines scientific expertise with a personalised, empathetic approach to care.

Areas of Interest

  • Weight management
  • Bariatric surgery (pre- and post-operative care)
  • Fertility 
  • PCOS
  • Sports Nutrition

Qualifications

  • BSc (Hons) Human Nutrition and Dietetics, Cardiff Metropolitan University
  • MSc Obesity, National University of Galway
  • Certificates & additional training in Clinical Gastric Band Adjustment, Motivational Interviewing, the Low FODMAP diet, Behaviour Change, Fertility, and PCOS

Hazel Windsor-Aubrey, RD​

Hazel Windsor Aubrey - Orla Walsh Nutrition

Hazel is a Registered Dietitian with extensive experience working in both the UK and Ireland, bringing a wealth of expertise across various areas of dietetics.  

Hazel’s academic journey began with a BSc in Human Nutrition from the University of Ulster, which she followed with an MSc in Dietetics from King’s College London. Her commitment to advancing nutritional science led her to work as a Research Dietitian at St. Vincent’s University Hospital, where she gained valuable insights in weight management.

Hazel is passionate about empowering individuals to make sustainable lifestyle changes, incorporating her additional training in Behaviour Change into her practice.

When she’s not working, Hazel thrives in the outdoors—spending weekends playing tennis, hiking scenic trails, or tending to her vegetable garden. She also finds joy in the kitchen, where she pairs a love for cooking with science. 

Areas of Interest

  • Weight management
  • Insulin resistance (Type 2 diabetes, PCOS, fatty liver)
  • Fertility
  • IBS
  • Chronic Kidney Disease

Qualifications

  • MSc Dietetics, King’s College London
  • BSc Human Nutrition, University of Ulster
  • Research Dietitian, St. Vincent’s University Hospital
  • Certificates & additional training in Behaviour Change, the low FODMAP diet, Fertility, and PCOS

Isabelle Fagan, RD​

Isabelle Fagan - Orla Walsh Nutrition

Isabelle Fagan is a Registered Dietitian with a holistic approach to health and wellbeing. With a deep commitment to ongoing learning, Isabelle has complemented her expertise in dietetics with further training in fitness and health, allowing her to offer a comprehensive perspective to her clients.

Isabelle began her academic journey with a BSc in Human Nutrition and Dietetics from Trinity College Dublin and DIT. She has also achieved a QQI Level 6 Certificate in Supervisory Management from Beaumont Hospital, enhancing her ability to lead and deliver exceptional care in clinical and community settings. Her additional training in Personal Training and Fitness underscores her dedication to providing holisctic, evidence-based and personalised care.

Outside of work, Isabelle’s passion for nutrition and health extends to her personal life, where she enjoys experimenting in the kitchen and staying active to inspire those around her.

Areas of Interest

  • Fertility
  • Weight management
  • PCOS
  • Gut health (IBD, coeliac disease, IBS)
  • Sports nutrition

Qualifications

  • BSc Human Nutrition & Dietetics, Trinity College Dublin / DIT
  • QQI Level 6 Cert in Supervisory Management, Beaumont Hospital
  • Certificates & additional training in Personal Training & Fitness, the low FODMAP diet, Fertility, and PCOS