Leadership & Expertise
Deia Health is led by Dr Lafina Diamandis, an experienced GP and Lifestyle Medicine Physician with an interest in preventative health, women’s health, cognitive health and complex presentations.
Her training includes:
- King’s College London - BSc Anatomy & MBBS Medicine
- University College London - Dual Masters in Brain & Mind Science
- Sorbonne University, Paris - International Masters Diploma in Neuroscience
- British Society of Lifestyle Medicine - Postgraduate Diploma in Lifestyle Medicine
- Institute of Functional Medicine - AFMCP Advanced Functional Medicine in Clinical Practice
- 18 years of experience spanning the NHS and private sectors including BUPA, The Telegraph, Goldman Sachs and concierge medicine.
She is:
- GMC-registered with a full license to practise
- A Member of the Royal College of General Practitioners
- A board-certified Lifestyle Medicine physician
- A member of the British Society of Lifestyle Medicine
- A member of the Royal College of General Practitioners
Dr Lafina brings a blend of rigorous clinical training, modern medical thinking and deeply human understanding to her work - ensuring patients feel both medically safe and personally supported.
Our carefully selected team includes expert clinicians and specialists across medicine, psychology and lifestyle health. Each member shares the same philosophy: meticulous clinical thinking, holistic perspective and compassionate care.Together, we provide joined-up support that reflects the complexity of real life.
Clinical Psychologist
Samantha Renalls is a dedicated clinical psychologist with over a decade of experience in helping individuals navigate their mental health journeys. Her approach is rooted in evidence-based practices, focusing on cognitive-behavioral therapy and mindfulness techniques to empower her clients. Samantha is passionate about creating a safe and supportive environment where individuals can explore their thoughts and emotions, leading to meaningful personal growth.
Holistic Gut Health Dietitian
Kaitlin Colucci is a one of the UKs leading gut health Dietitian's and founder of The Mission Dietitian, as well as a passionate yoga teacher. With over 9 years experience in dietetics helping individuals navigate the complexities of IBS and gut health issues, she specialises in integrating science-backed nutrition with the healing practices of yoga, meditation, and breathwork. Kaitlin believes that managing IBS extends beyond diet alone—it's about how stress can impact the body, and the peace within your mind.
Somatic Practitioner
Marian Clarke is a skilled somatic therapist with a profound understanding of the body's role in emotional healing. She specializes in helping clients connect with their physical sensations to uncover and release deep-seated emotional blocks. Marian's approach is gentle yet transformative, guiding individuals towards greater self-awareness and emotional freedom. Marian is trained as an Integrative Health Coach and Somatic Practitioner trained in EFT (Emotional Freedom Technique), Matrix Reimprinting and she is also Internal Family Systems informed.
Functional Medicine & Autoimmunity Nutritionist
Nicole Goode is a Certified Functional Medicine Consultant (CFMHC), Registered Nutritional Therapist (BANT CNHC) and BANT-Registered Nutritionist. As one of the UK’s leading voices on immune health, energy and optimal health, Nicole is a postgraduate specialist in autoimmune diseases, thyroid conditions, neurological and fatigue conditions as well as optimising health and longevity for creatives and ambitious high achievers. Nicole provides bespoke, personalised functional medicine programmes for clients worldwide.
Sports Nutrition Dietitian
Elle Kelly is a registered dietitian specialising in disordered eating and sports nutrition. She helps women to recover their period and fuel their bodies, building a better relationship with food to lead a balanced life. Elle encompasses an evidence-based, compassionate, holistic and realistic approach to healing your relationship with food and living a life free from the chaos of dieting. Elle is passionate about empowering clients to reclaim their power, trust their own bodies again
Eating Disorders Dietitian
Sabrina Chorafa is a Registered Dietitian and a Trainee Psychotherapist, specialising in Mental Health and Eating Disorders therapy. Her approach is all about helping you re-explore your relationship with food and your body with compassionate curiosity. She has worked extensively in both the NHS and private practice, overseeing one of the largest Eating Disorder services in the UK. Beyond dietetics, she completed a 200-hour yoga teacher training in India, which deepened her understanding of the mind-body connection. Sabrina brings a holistic approach to her work, integrating both psychological and nutritional perspectives.
Breathwork & Yoga instructor
Bhavisha Pankhania is a Yoga, Meditation and Breathwork instructor with over 15 years experience and is fully accredited for pregnancy and postnatal yoga.
Reflexology
Kind, skilled and deeply intuitive, Vivian's reflexology sessions not only feel like a fine-tuning but like a visit to a body psychologist.
Whether you are seeking clarity, reassurance, support for complex symptoms or proactive long-term health planning, Deia Health offers a calm, intelligent and supportive approach to care.
We would be privileged to support you.
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📍 Harley Street, London
🌍 International clients welcome
Our structured approach brings together the latest insights from clinical medicine, neuroscience, lifestyle science and personalised diagnostics. We consider key areas including nutrition, sleep, movement, stress resilience, environment, emotional wellbeing, genetics and toxin exposure. The aim is always the same: clarity, confidence and meaningful, sustainable health outcomes.
Find out how to use food and supplements to boost your health and prevent disease.
Night owl of morning lark? No matter what your sleep habits, we'll share how you can use sleep to optimise health & performance.
Get advice on how much and how often and focus on what kind of movement is right for you.
Learn about the impact of stress on your health & wellbeing and ways you can solve your stress cycle on the daily!
Nature heals all. Find out how you can use the elements to support health and wellbeing in every season.
Your genes are not necessarily your destiny! Take back the editing rights to your genome through clever lifestyle changes.
Explore the importance of the relationship you have with yourself as well as others.
Learn how to minimise your exposure to toxic chemicals at home and in your diet.
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