Holistic Doctor and Pharmacist Team

Dr Elizabeth Thompson – Holistic Doctor 

Dr Elizabeth Thompson trained in Medicine at Oxford University and completed her clinical training at Guy’s Hospital in London. Qualifying in Palliative Medicine, she obtained Membership of the Royal College of Physicians in 1991 and Certificate of Completion of Specialist Training (CCST) in September 2000.

In 2014 she set up the National Centre for Integrative Medicine (NCIM) and is passionate about how bringing conventional, holistic and lifestyle approaches together could transform modern healthcare into a wellbeing model and create diversity and choice for patients and practitioners.

Dr Thompson is CEO and founder of NCIM and is a member of the NCIM Holistic Doctor team. She is an experienced Medical Homeopath specialising in women’s health including menopause and supporting the health and wellbeing of cancer patients.

She is a Board Member of the College of Medicine, European Society of Integrative Medicine and President of the European Congress for Integrative Medicine in London 2021. http://ecimcongress.com 

GMC registration number 3262577 

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Dr Duncan Still – Holistic Doctor

Dr Duncan Still is a GP with an interest in  Lifestyle Medicine (recognising the importance of nutrition, physical activity, stress-management and sleep).

He has a particular interest in the role of Nature-based therapy, Breathwork, the Microbiome, Mindfulness in achieving a fuller and deeper sense of health.

He has a good deal of experience in Cancer, having worked at Penny Brohn UK (a national charity specialising in integrative cancer care) for over 5 years.

He is an enthusiastic forager and wild swimmer!

Duncan also works as the Education Lead for NCIM’s Diploma in Integrative Healthcare, and teaches medical students at the University of Bristol.

GMC registration number: 7015935

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Dr Helen Thomas – Holistic Doctor

Dr Helen Thomas has worked as an NHS GP for over 25 years in both Bristol and London. She is a longstanding, passionate advocate of applying a holistic integrative approach to the health and wellbeing of her patients, by combining the best of conventional and complementary medicines with healthy lifestyle advice and social prescribing.

In addition to her NHS role and her new post as a Holistic Doctor at NCIM, she works as an Integrative Doctor at Penny Brohn UK, a charity that specialises in the holistic support of people who are living with and beyond their cancer diagnosis.

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Dr Sumi Chatterjee – Holistic Doctor

Sumi works as a portfolio GP within the NHS in beautiful Yorkshire. She is incredibly passionate about holistic healthcare and the importance of empowering individuals with tools to optimise their health and sense of wellbeing.

Completing the Diploma in Integrative Healthcare with NCIM over the last two years has positively transformed her clinical practice and the lives of her patients, family and friends. She is a GP with a specialist interest in Musculoskeletal Medicine.

She is a yoga teacher, a photographer, an amateur artist and loves to travel. Her vision is to create change within the NHS by incorporating Integrative Medicine principles. She has recently embarked on studying Homeopathy at foundation level.

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Kiriaki Marselou – Holistic Pharmacist


Kiriaki Marselou is a highly qualified pharmacist and a medicines expert, who is also trained in medical homeopathy and nutraceuticals. Kiriaki also holds a post-graduate Diploma in Natural Health Products and is certified in Plant-based Nutrition from Winchester University.

Inspired by Hippocratic teachings, Kiriaki believes that lifestyle interventions and dietary measures can help enormously in the treatment of disease. She has a special interest in chronic inflammation and how this can lead to several diseases. Her clinics are aimed at restoring health, through a combination of nutritional supplements, an anti-inflammatory diet, and herbal or other natural remedies.

She often works with patients on prescription medicines, who would like to explore natural health options that are safe, and compatible with their conventional treatments. She currently divides her time between her holistic practice, tutoring newly qualified pharmacists, and being a mother of two lively children. She enjoys exercising outdoors and she loves preparing Mediterranean meals for her friends.

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Medical Homeopathy and Associate Therapy Team

Dr Domnita Neagu – Medical Homeopath

Dr Domnita Neagu delivers our Bristol Homeopathy clinic.

Domnita initially trained in conventional medicine in hospitals for a few years in Bristol and Bath before moving into primary care. She achieved membership with the Royal College of Physicians in 2011, and completed her second medical qualification in Winchester, while also becoming a Member of the Royal College of General Practitioners in 2013. Since then she has worked as GP in Bristol and surrounding areas.

Alongside conventional medicine, Domnita began to train in Homeopathy in 2007 and studied at the School of Homeopathy in Stroud and the prestigious Royal London Hospital for Integrated Medicine.

GMC registration number is 6121798.

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Dr Kathy Drewett – Medical Homeopath

Dr Kathy Drewett MRCGP, MBChB, DCH, has worked as a General Practitioner for many years and is a registered Medical Homeopath with the Faculty of Homeopathy in the UK.

Kathy now practises Medical Homeopathy at NCIM, offering online appointments via Zoom, Skype or telephone. 

GMC Reference Number: 2716673

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Chris Bowles – Mindfulness for Wellbeing Lead

Chris Bowles has been teaching mindfulness courses to a wide population in the NHS and privately since 2008.

Having completed initial training with the University of Bangor Centre for Mindfulness, she went on to accreditation with Breathworks, an organisation specialising in mindfulness for people with chronic pain and physical health conditions.

Chris is also trained in psychological therapies and has worked extensively with people experiencing stress, anxiety and depression.

Find out more about
Mindfulness for Cancer 
Mindfulness for the Menopause 
Mindfulness for Health

Saba James – Nutrition for Wellbeing Lead

Saba James is a registered Nutritional Therapist and the NCIM Nutrition for Wellbeing Lead, running our range of Food for Wellbeing courses and offering 1:1 consultations as part of NCIM’s clinical services team. 

Saba’s background is in the creative arts as a dancer and performing arts lecturer. She also supports the College of Naturopathic Medicine as an Assistant Supervisor and runs dance-based movement classes for older adults.

Her lifelong passion for food and its integral role in our sense of wellness prompted a move into health and fitness community projects collaborating with a range of partners while retraining as a Nutritional Therapist. Her experience with these groups, and in various NHS roles, has given her the wider framework to see how conventional, holistic and lifestyle approaches work together to improve health outcomes for people.

The science behind why and how food matters, provides the basis for holistic, evidence-based nutritional plans supporting client’s health goals. Saba supports a range of conditions but has a particular interest in supporting mental health issues such as anxiety and depression and developing personalised, preventative strategies to promote healthy ageing. 

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Nutrition for Wellbeing

Food for Wellbeing
Food for Mood
Food for a Healthy Heart

Samasuri – Craniosacral Therapist

Samasuri delivers Craniosacral Therapy at NCIM, and completed her Foundation Diploma in Biodynamic Craniosacral Therapy at the Karuna institute in Devon from 2013 to 2015.

Further training includes a course on working with babies and children in 2015 and attending the Breath of Life conference in 2017. She has regular supervision and is a member of the CSTA and CNHC. She also works as a GP in Bristol under the name Dr Joanna Howes.

GMC registration is 4730532.

Education Team

Alastair Gray – Director of Online Learning

Alastair is the Online Learning Director at the National Centre for Integrative Medicine. In addition, he teaches at and heads up the academic, operations, course development, compliance research and learning technologies departments at the Academy of Homeopathy Education NYC | World. He holds various consulting roles: academic (Endeavour College, Australia and College of Health and Homeopathy, NZ) as well as consulting to many organizations on homeopathic provings and e-learning world-wide. Prior, at Endeavour in Australia he was the National Academic e-learning Manager as well as heading up the homeopathy department, later the bioscience department. Other operational roles included the Campus Manager at the Sydney and Gold Coast campuses. He has lectured under and post-graduate Integrative Medicine, CAM, homeopathy and naturopathy for 22 years, including theory and philosophy, case taking and management, ethics, business practices and scope of practice. A regular forum and conference presenter worldwide he is the author of 23 books and numerous articles on primary research in natural medicine. Originally educated as an historian, he teaches the history of health, healing and medicine at schools, colleges and universities in multiple countries. He is passionate about e-learning and educational technology in his academic and teaching work. Currently he is completing a PhD at the University of Technology Sydney exploring the intersection of Education, CM and learning technologies. Clinical practice (30 years) remains a significant focus of his work with a practice that specializes in Anxiety, Drug and Alcohol compulsion and working with men. He lives in Philadelphia with his wife Denise Straiges.