Meet The Team
At QHS Services, our team is made up of experienced, registered health professionals who share a passion for personalised care. With expertise in health screening, weight management, and occupational health, we’re dedicated to guiding you toward lasting wellbeing. Compassionate, approachable, and clinically grounded - we’re here to help you build sustainable health habits and feel supported every step of the way.
Our Team Members
Dr. Guy Clayton - Medical Advisor
I've dedicated over 34 years to practicing medicine across a wide spectrum of disciplines - beginning in Anesthetics and Pediatrics, and later extending into General Practice, Occupational Medicine, and Forensic Psychiatry. Each of these specialties has shaped how I view health: not just as a clinical outcome, but as an individual journey that deserves compassion, understanding, and partnership.
My passion lies in helping people navigate their health challenges with clarity and confidence. At QHS Services, I focus on creating a space where each client feels genuinely listened to - where their concerns are met not just with expertise, but with empathy. I work closely with Mark and Wendy, combining our skill sets to deliver personalised care that reflects the diverse needs of the people we support.
While clinical rigour is vital, I firmly believe that the tone we set as practitioners matters just as much. A little warmth, a shared laugh, and a sense of trust can be as transformative as any prescription. My role here isn’t just to advise on medical matters - it’s to help each person feel empowered on their health journey, with support that’s grounded, thoughtful, and sincerely human.
Mark Preston - Advanced Nurse Practitioner
With over 34 years in nursing, I’ve had the privilege of working across a variety of clinical environments - from frontline Urgent Care to academic settings and Primary Care. My career has been driven by one constant: the desire to help people achieve their health goals in a way that feels personalised, meaningful, and sustainable.
As an Advanced Nurse Practitioner and Independent Prescriber, I support clients in areas such as weight management, wellbeing planning, and preventative health. Prescribing treatments that align with each individual's lifestyle is just one piece of what I do - my real focus is listening, encouraging, and helping people set achievable, long-term goals that improve their quality of life.
Alongside clinical work, I’m passionate about education and have delivered extensive teaching in clinical examination and advanced management across both university courses and private sector programmes. I see education as an extension of care - whether I’m teaching future practitioners or explaining a health plan to a client, clarity and compassion always lead the way.
What I value most is the trust placed in me to walk alongside someone on their health journey. It’s never just a professional exchange - it’s a shared commitment to making positive change possible.
Wendy Storey - Clinical Pharmacist
I began my journey as a pharmacist more than 34 years ago, starting in community settings before moving into inpatient mental health and eventually into Primary Care. It was within mental health services that I truly discovered my passion for weight management and diabetes care - seeing how closely physical wellbeing was tied to emotional health, especially for people facing complex challenges.
That insight shaped my approach from then on. I believe that health interventions should never be one-size-fits-all; they should be tailored to each person’s story, goals, and circumstances. At QHS Services, I lead our Why Weight programme alongside Mark, prescribing weight management medications and offering structured support to individuals who are ready to make meaningful changes to their health.
Working face-to-face with clients gives me a chance to not only guide them clinically, but also to celebrate their progress, help them navigate setbacks, and remind them they’re never alone in this process. I want everyone who comes to us to feel seen, heard, and cared for - knowing that every decision we make is built around their best interests.
Above all, I’m proud to be part of a team that puts humanity back at the centre of healthcare. It’s what makes our work not just rewarding, but truly transformative.
Welcome, Thank you for visiting QHS Services Ltd.
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