Meet the experts

Our expert team at Numan covers a broad spectrum of health and wellness areas, from hormonal balance to nutrition and fitness. Each expert leverages their specialised knowledge to develop personalised, evidence-based strategies that address your unique health needs.

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Leaders in health

Our experts bring a diverse range of expertise, contributing to exceptional research and development across various institutes in the UK and globally.

Their collaborative efforts have driven the creation and advancement of Numan, leveraging evidence-backed treatment and technology to deliver effective and personalised wellness strategies.

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Dr Rebecca Jones

Dr Rebecca Jones is Head of Clinical Research at Numan and an award-winning researcher specialising in obesity, behavioural medicine, and real-world evidence. She holds a PhD from the University of Cambridge, formerly led global clinical research at WeightWatchers International, and has spent over 15 years across weight management spanning research, clinical operations, and direct patient care.

At Numan, she leads the clinical research function, responsible for generating and communicating the evidence behind effective, technology-enabled obesity treatment. Dr Jones has authored more than 35 peer-reviewed publications and brings both scientific rigour and personal lived experience of obesity and GLP-1 therapy to her work as a researcher and patient advocate.

Areas of expertise:

  • Obesity and weight management

  • Behavioural medicine and intervention design

  • Real-world evidence and clinical research governance

  • GLP-1 pharmacotherapy and digital health

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Zoe Griffiths

Qualifying as a registered dietitian over 20 years ago, Zoe has worked in the behavior change and obesity treatment space for the majority of her career, formally as a member of the global science team at Weight Watchers International and heading up the Behavioral Medicine team at Allurion Technologies.

Zoe currently leads Numan's Behavioural Medicine and Health Coaching services, working to support patients to lead healthier lives across obesity, women's health, men's health and preventative care domains. Zoe is a SCOPE certified obesity practitioner, passionate about delivering high quality, evidence based care.  

Areas of expertise:

  • R&D implementation across B2C and B2B channels

  • Behavioural change in obesity

  • Evidence based Healthcare

Introducing our clinicians

Our team of experienced clinicians at Numan are dedicated to providing expert medical guidance to help you achieve your goals. With a deep understanding of hormonal health, nutrition, and lifestyle interventions, our clinicians tailor their approach to your unique needs.

By addressing underlying health issues, prescribing effective treatments, and offering continuous support, they ensure you have the best possible foundation for success.

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Tsolmon Tsogbayar

Tsolmon Tsogbayar is a Senior Clinical Product Lead at Numan, where she leads the obesity clinical product function. A GMC-registered doctor with over six years' experience in the NHS, she pairs frontline clinical insight with a strong scientific foundation as a published researcher, holding an MSc in Human Molecular Genetics and a BSc in Biochemistry, alongside a track record in digital health where she led clinical product and operations across cardiometabolic health and diagnostics. With a focus on safe, evidence-based and accessible care, Tsolmon is shaping how patients experience obesity treatment in a digital-first model.
Areas of expertise:

  • Obesity clinical product and pathway design

  • Evidence-based prescribing and clinical safety

  • Digital-first, patient-centred care

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Thomas Anderson

Dr Thomas Anderson is Clinical Product Lead for men's health at Numan, covering testosterone deficiency, erectile dysfunction, hair loss, premature ejaculation and blood testing. A GP with 10 years' clinical experience in the NHS, he is a GMC-registered doctor and qualified GP (MRCGP), and also has years of experience building digital health services that give patients access to expert care. Thomas is currently completing an MSc in human-centred design at Imperial College London and is driven to put expert healthcare within men's reach, empowering them to take charge of their health.

Areas of expertise

  • Men's health: testosterone deficiency, erectile dysfunction, hair loss and premature ejaculation

  • Evidence-based prescribing and clinical safety

  • Digital-first, patient-centred care with human-centred design

Our Clinical Director

Danielle Brightman is the Clinical Director at Numan, where she leads the integration of clinical care and digital innovation. She ensures every product and service meets the highest standards of safety, quality, and effectiveness, empowering patients and clinicians alike. With a strong focus on evidence-based practice and patient experience, Danielle is shaping the future of personalised, technology-driven healthcare.

Areas of expertise:

  • Clinical product development

  • Quality assurance

  • Innovative health solutions

Danielle - Director of Clinical Product

REAL PEOPLE, REAL IMPACT

Over 800,000 people have trusted us to improve their health

I feel I can live a longer, happier life with less risk of cardiovascular issues. I've struggled with being overweight for many years, so the impact has been life-changing.
I discovered an old bag of clothes and couldn’t believe how many of them fit me where I would have had no chance before. I feel amazing. I think I look much better than I ever did.
I want to be in good shape to enjoy life. But be happy as I’m doing it, rather than miserable. And I think I’ve managed that with the programme.
Mark Testimonial

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