About Wellgevity
We combine clinical medicine, lived experience and integrative thinking to offer a personalised approach to care and longevity.
A more considered way to approach your health.
Meet the founder, Dr Tamsin Lewis
Dr Tamsin Lewis’ work sits at the intersection of medicine, performance and longevity, but her path into this space hasn’t been conventional.
Trained as a medical doctor, her early career spanned both clinical medicine and psychiatry, giving her a nuanced understanding of how physiological and psychological factors intersect. Alongside this, she competed as an elite athlete, gaining first-hand experience of what it means to push the body, to recover from strain and to sustain performance over time.
It was through the combination of these worlds, rather than any one discipline alone, that a more complete picture began to emerge.
Health, she observed, is rarely straightforward. It does not operate in isolated systems, nor does it respond predictably to standardised approaches. Instead, it is shaped by context, by timing, and by the way multiple systems interact beneath the surface.
As her work evolved into integrative and longevity-focused care, this pattern became increasingly clear. Many of the individuals she worked with were already deeply invested in their health. They were testing, tracking and following advanced protocols, yet still experiencing inconsistency, fatigue or a sense that something wasn’t fully resolving. The issue was not a lack of effort, but a lack of clarity and cohesion.
That understanding then became profoundly personal following her own experience with COVID. Navigating a prolonged and complex recovery, she encountered first-hand the limitations of conventional healthcare – fragmented, reactive and often unable to account for the full picture. Without continuity or integration, progress felt uncertain.
This experience reshaped her approach entirely.
Rather than viewing health as a series of symptoms to address, it became a process of understanding the system as a whole – recognising that without regulation, optimisation cannot be sustained, and that meaningful progress depends on sequencing, context and continuity.
Wellgevity was built from that shift. A more considered way of working with health, one that prioritises clarity over complexity, integration over isolation, and a long-term partnership over short-term intervention.
Experience & Expertise
- MBBS BSC HONS LON MRCPsych
- Medical doctor with a BSc in Neuroscience and the Biology of Ageing
- Experience across clinical medicine and psychiatry
- Specialist training in psychiatry and sports medicine
- Further education in nutritional and functional medicine
- Background as an elite athlete, with first-hand understanding of physical demand and recovery
- Training in integrative and functional approaches to health
- Experience advising within high-performance and luxury health environments, including Six Senses Ibiza
- Personal experience navigating and recovering from Long Covid and complex post-viral illness
Why Wellgevity exists
Put simply, modern healthcare is not designed for complexity. It is structured around:
Short appointments
Isolated specialisms
Reactive treatment
Partial answers
Inconsistent progress
At the same time, the rise of optimisation culture has introduced a different problem – more data, protocols and tracking available at our fingertips, but not necessarily more clarity.
We exist to offer something different: a model built on continuity, personalisation and thoughtful oversight. Where your health is not treated as a series of isolated issues, but as an evolving system.
Our Philosophy
Regulation before optimisation.
Everything at Wellgevity is grounded in the Bioharmony Method. Our framework that recognises that sustainable health is not built by adding more, but by understanding what the body needs, in the right order, at the right time.
This means:
- Addressing underlying dysregulation before pushing optimisation
- Working with the body, not against it
- Adapting support as your physiology and circumstances change
Your Medical Leadership
Wellgevity brings together a small, highly experienced team working across medicine, nutrition, performance and complex health.
Dr Tamsin Lewis
Founder and Medical Director
Dr Tamsin Lewis is a medical doctor specialising in longevity, performance and complex health. With over two decades of experience across clinical medicine, psychiatry and integrative care, she brings a uniquely connected perspective to modern health. Her approach is grounded in bioharmony, combining clinical expertise with lived experience to support long-term resilience and vitality.
Charlotte May
Nutritional Therapist & Health Coach
Charlotte is a Nutritional Therapist and Certified Health Coach, working alongside Dr Tam for nearly a decade. She specialises in translating complex science into practical personalised strategies, supporting clients through nutrition, lifestyle and nervous system regulation to build sustainable health.
Dr Charlie Cox
Longevity Doctor
Dr Charlie Cox is a longevity doctor with a background in intensive care medicine. His work is data-led and physiology-driven, using diagnostics and targeted interventions to create clear, actionable strategies that support resilience, performance and long-term health.
Dr Leah Austin
Nutritional Therapist & Health Coach
Dr Leah Austin is a UK-trained GP specialising in preventive health and complex conditions.
Her approach integrates conventional medicine with a broader systems-based perspective, supporting patients in building resilience and addressing underlying drivers of imbalance.
Boniface Verney-Carron
Body Psychologist & Osteopath
Boniface works at the intersection of osteopathy and body-based psychology, focusing on nervous system regulation and resilience. His approach helps individuals restore balance and develop a deeper connection to their body through awareness, movement and breath.
Elena Panzeri
Nutritional Therapist & Researcher
Elena Panzeri is a nutritional therapist and PhD researcher specialising in the microbiome and complex health. She combines clinical practice with advanced research, translating complex biological data into precise personalised nutrition strategies.
Nena Klimenta
Nurse Practitioner
Nena is a nurse practitioner specialising in phlebotomy and IV therapy. With over a decade of experience, she provides precise, personalised care in both home and clinical settings.
Elle Baessler
Operations
Elle leads operations at Wellgevity, ensuring a seamless client experience. With a background in healthcare and client services, she supports the structure and flow of care across the practice.
Vanessa Westlake
Finance & Operations
Vanessa oversees finance and operations at Wellgevity, bringing a background in investment banking and business management. She supports the strategic and operational foundations of the business.
