NTOI - Meet Our Team

Directors

Brendan O'Brien

Directors

Brendan O’Brien NT MSc I’ve been an NTOI member since 2012 I work as an NT in the field of infertility as well as teaching part time at the International Institute of Nutrition and Health. I’m also the author of Getting Pregnant When the Body Says No. I live in Limerick, am married to Siobhan who is a resource worker with the LCETB, and have three teenage children, Ethan, David & Kara-Maria, 4 dogs and a flock of hens!

Maija Tweeddale

Directors

Maija Tweeddale BCA, BA, DipNT, mNTOI Maija is a family-focused nutritional therapist and health coach, mum of three and joyful life enthusiast. Formerly a corporate ‘success story’, workaholic and IBS, anxiety and burn-out sufferer she understands the pivotal role nutrition and lifestyle choices play in wellbeing. By working with the family dynamic she helps clients make the nutrition and lifestyle changes they need to fire on all cylinders again to be confident of a strong, clear-thinking and active future; to get back to consistent good energy and positive mood; to deal with expanding waistlines and flagging hormones; to be confident that they know how to nourish themselves to be happy, healthy and resilient and to help their kids to do the same. Maija runs a private clinic for individual clients and supports community and corporate wellbeing programmes through group workshops, pop-up clinics and themed events. As a Director of the NTOI Maija seeks to promote the value of nutritional therapy practitioners to change lives; reducing pressure on healthcare services by supporting lifetime wellbeing for all.

Samantha Moran

Directors

Samantha holds a BSc. (Hons) in Business from Trinity College Dublin, Ireland; an Advanced Diploma in Nutrition and Health Coaching awarded by BTEC, UK, a Diploma in CBT awarded by the ICM, London and a UK Level 6 Diploma in Nutritional Science and Therapeutics. After graduating from university with her Hons business degree, Samantha has gained 25+ years’ financial services experience working in London, New York and Dublin with some of the world’s biggest banking and finance organisations such as Morgan Stanley, GE Financial Markets, Merrill Lynch, Bank of America and has worked with Citibank Europe plc. for the last 11 years. Samantha’s training in the world of finance brings together her business acumen with a focus on attention to detail, planning and providing business solutions to her clients with an excellent ability in building positive working relationships with her internal and external business clients. In 2016, having always had a keen interest in nutrition and wellness, Samantha decided embark on studying for a 4-year diploma in Nutritional Science and Therapeutics Samantha was elected to the NTOI Board of Directors in March 2024 and hopes to marry her business and nutrition qualifications to help grow the organisation and bring about a better awareness of Nutritional Therapy to the general public through networking events and awareness campaigns.

Brianan Doolan

Directors

Brianan Dolan, IFMCP, Dip CNM Naturopathy, Dip CNM Nutrition, BSc (Trinity College), mANP, mGNC, mNTOI, mIFM Brianan, is a certified Functional Medicine Practitioner with a passion for empowering individuals to take charge of their health. With a background in Naturopathy, Nutrition, and a BSc from Trinity College, I specialize in using a systems biology approach to address complex health issues. My work focuses on cardiometabolic health, chronic illnesses like Lyme disease, and restoring balance to gut and hormonal health. I believe in the power of understanding how the body’s systems work together to heal, rather than just addressing symptoms in isolation. This approach allows me to tailor personalized, root-cause treatments that not only alleviate symptoms but foster long-term wellness. I’m dedicated to helping my clients achieve better health through holistic, evidence-based solutions that empower them to thrive.

Administration Team

Edel Fagan

Administration Team

Edel is a highly-skilled professional with over 20 years’ experience in office management and administration roles with a skill set ranging from budgeting and finance to project management and event coordination. She is a self-motivated, self-starter with a drive to succeed. She possesses excellent communication relationship-building skills and experienced at working with staff at all levels. Edel is motivated by variety and challenge and am passionate about applying her skills in the nonprofit sector.

Company Secretary

Billy Crosbie

Company Secretary

Meet Our Team

Directors

Brendan O'Brien

Maija Tweeddale

Samantha Moran

Brianan Doolan

Administration Team

Edel Fagan

Company Secretary

Billy Crosbie

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