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Dr William Turner

Medical Director

Dr Turner is a Consultant Anaesthetist and a fellow of the Royal College of Anaesthetists; he is a founding member of Effect Doctors.

Dr William Buxton

Medical Director

Dr Buxton is an Consultant Anaesthetist and a fellow of the Royal College of Anaesthetists; he is a founding member of Effect Doctors.

Dr Hassanean Al-Ansari

Doctor

Dr. Hassan is a General Practitioner based in North West London, with a background in Emergency Medicine. With a keen eye for detail and a strong commitment to compassionate care, he works to understand each patient's unique needs, ensuring the highest quality of tailored care.

Dr Lea Klapan

Doctor

Dr Lea is a Medical Doctor and Associate Nutritionist with a background in emergency medicine and psychiatry. With a growing focus on integrative medicine, she takes a thoughtful, preventative approach to care, helping patients feel their best; both inside and out.

Dr Lucy Studd

Doctor

Dr Lucy is a doctor in General Practice in South West London, with a background in Anaesthetics. She has also achieved qualifications in Aesthetics.

Dr Zahra Rajput

Doctor

Dr Zahra Rajput is an Anaesthetic Doctor and a Fellow of the Royal College of Anaesthetists.

Wendy Cragg

Managing Director

Wendy is an established and committed manager with 20 years of experience in operational duties. Wendy joined Effect Doctors in 2019, overseeing all day to day activities of the company.

Allan Johnson

Chief Executive Officer

Allan is an experienced CEO and company director, MBA qualified he has worked in public and private healthcare for over 30 years.

Abi Banjo

Senior Nurse

Abi is a Senior Nurse with Effect Doctors and a Senior Sister in the NHS with over ten years experience in Emergency Care.

Teresa Serrano

Aesthetic Nurse

Teresa is a highly skilled critical care nurse and aesthetician practitioner with over 5 years of experience in intensive care.

Hilary Johnson

Clinic Manager

Hilary is a Trauma and Orthopaedic nurse by background and has worked with Effect Doctors since 2021.

Allie Johnson

Clinic Manager

Allie is an experienced registered nurse with a background in emergency and critical care nursing.

Dr William Turner

Medical Director

Will is a Consultant Anaesthetist who also works within the NHS. As well as an honours degree in medicine, he also holds a masters degree in chemistry from the University of Nottingham. Will enjoys teaching and acts as faculty, leading several national simulation and training courses. He has also published several articles in various international scientific journals.

He has undertaken a research and clinical fellowship in Obstetric Anaesthesia at the Mount Sinai Hospital in Toronto.

Alongside his anaesthesia and critical care work, he has established a successful aesthetic practice, delivering anti-wrinkle treatment to a wide-ranging group of regular clients in South London and Surrey.

Outside of medicine, he enjoys looking after his two children, playing rugby, cooking and listening to music.

Dr William Buxton

Medical Director

As well as being a fully qualified and currently practising NHS Consultant Anaesthetist and being a UK trained Doctor he has undertaken an Advanced Fellowship in Neuro Anaesthesia for 12 months in California at UCSF. Will is an Advanced Life Support Instructor and acts as faculty, leading several national simulation and training courses. He has published several articles in various international scientific journals.

Alongside his anaesthesia and critical care work, he has established a successful aesthetic practice, delivering anti-wrinkle treatment to a wide-ranging group of regular clients in Central London.

Outside of medicine, he enjoys keeping fit by running and weight training. He is a proud father of a little girl called Sofia!

Dr Hassanean Al-Ansari

Doctor

Dr. Hassan qualified as a doctor from King’s College London.

After foundation training, he gained several years of experience in Emergency Medicine across North West London before moving to General Practice.

Alongside this, Dr. Hassan broadened their experience in holistic and aesthetic healthcare by working in the private sector and pursuing specialist training in hair restoration.

With a background spanning emergency medicine, primary care, and aesthetics, Dr. Hassan brings a unique blend of clinical skills and patient empathy to their practice.

Outside of work, he enjoys playing football and tennis with his local community club and cherishes spending quality time with his family.

Dr Lea Klapan

Doctor

Dr Lea Klapan is a UK-based Medical Doctor and Associate Nutritionist originally from Croatia, where she completed her medical degree. After moving to London, she earned an MSc in Nutrition from King’s College London with Distinction, driven by a deep interest in preventative health and lifestyle medicine.

Her clinical experience spans emergency medicine, psychiatry, gastroenterology, and plastic surgery. She has also undertaken formal training in aesthetic medicine, supporting her belief that wellbeing should be nurtured both internally and externally.

Lea is currently completing a Fellowship in Integrative Medicine under Dr Andrew Weil, the founding father of the field. She brings a warm, multidimensional approach to patient care; grounded in science, enriched by compassion, and tailored to support vitality, balance, and long-term health. Recently she has become qualified for auricular (ear) acupuncture to treat trauma, stress and addiction.

Outside of work, she enjoys making healthy desserts, spending time in nature, and petting every dog she meets.

Dr Lucy Studd

Doctor

Lucy qualified as a doctor in 2018 from St George’s Hospital Medical School, and as a top performing student was an entrant to the University of London Gold Medal Award. Since graduating she has won awards for leadership and teaching.

After initially training in anaesthetics, she is retraining in General Practice. This gives her confidence with procedural skills, and a keen interest in the holistic care of her patients at Effect. She is also able to offer Aesthetic treatments, including botox and fillers.

With a first career in acting, Lucy is understanding and empathetic, and takes time to put patients at ease. Though she doesn’t tread the boards these days, she loves travel, sports, and spending time with her family.

Dr Zahra Rajput

Doctor

Dr Rajput qualified at University College London in 2011, graduating with both a Batchelors in Medicine and a BSc (Hons) in International Health. She has been an Anaesthetist since 2014. With over a decade of experience in Anaesthetics she has developed a specialty interest in Obstetric and Regional Anaesthesia. She has a keen interest in Human Factors in healthcare and also carries a Post Graduate Certificate in Medical Education. Her favourite aspect of work is the interaction with the teams she works with and the patients; being able to put them at ease during difficult and challenging times.

She is an interior design enthusiast and loves DIY (as long as there is a good podcast or playlist in the background!)

Wendy Cragg

Managing Director

Implementing systems and processes and proactively seeking solutions in an ever-changing landscape, Wendy never shies away from a challenge.

Outside of running Effect Doctors, she is a busy young mother, enjoys painting, playing with her son, walking her dog, white wine and international travel.

Allan Johnson

Chief Executive Officer

Allan is passionate about innovation and change in healthcare and in particular healthcare systems, preventative care and longevity. He has run the largest group of NHS GP practices operating in socially deprived areas. Been on the board of the NHS Partners Network and an elected Governor of an NHS Mental Health trust.

He has worked with innovative primary care networks in the USA and Spain, both delivering publicly funded care.

Outside Effect Doctors Allan is a Non-Executive Director at the commercial subsidiary of an international emergency and crisis response charity and enjoys all outdoor activity.

Abi Banjo

Senior Nurse

Abi graduated in 2012 and built her career in Emergency Care, progressing to the role of Senior Sister. With over a decade of frontline experience, she has developed extensive skills in providing safe, professional, and compassionate care in high-pressure environments.

Since joining Effect Doctors in 2022, Abi has brought her expertise and dedication to supporting patients’ health and wellbeing, ensuring every individual receives the highest standard of care.

Outside of work, Abi enjoys travelling, listening to music, and baking with her two young children.

Teresa Serrano

Aesthetic Nurse

She gained her nursing degree in Madrid, Spain, in 2018 before moving to London, where she completed a postgraduate qualification in intensive care and aesthetics. Specialising in dermal fillers, anti-wrinkle injections, and skin booster treatments, she has gained expertise in non-surgical cosmetic procedures, enhancing personalised natural beauty. For the past 2 years, Teresa has been working with Effect Doctors, delivering high-quality care. Outside of work, she loves travelling and dancing salsa, embracing new cultures and rhythms with enthusiasm.

Hilary Johnson

Clinic Manager

She completed her bachelor of science in nursing in 2017 and since then she has worked primarily in surgical & post operative care and has vast experience in the private sector and NHS.
She enjoys dining, music and cats.

Allie Johnson

Clinic Manager

She completed her Bachelor of Science in Nursing in 2012 at the University of Alberta in Canada. Since then, she has also specialised in post anesthesia care, post secondary clinical teaching and community health. Allie has been with Effect Doctors since early 2021, and is passionate about health optimisation. Outside of work, she enjoys travelling, live music, hiking and skiing.

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Effect Doctors – Soho

11 Greek St,
London, UK
W1D 4DJ

Monday – Sunday: 9.30 am – 6.30 pm

Effect Doctors – Westfield

Westfield Shopping Centre,
Ariel Way,
London
W12 7GF

Monday – Friday: 10 am – 8 pm
Saturday – Sunday: 12 pm – 6 pm

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Westfield

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020 7305 7608
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