The Team at Children’s Allergy Doctors

Prof Helen BroughProfessor Helen Brough
Founder – Consultant in Paediatric Allergy & Immunology

Professor Brough is a Consultant in Paediatric Allergy and Clinical Immunology and the founder of Children’s Allergy Doctors. She was the Head of Service of the NHS Children’s Allergy Service at Evelina London, St. Thomas’ Hospital between 2015 and 2023. She has a wealth of experience in food allergy prevention, diagnosis and treatment, food and inhalant immunotherapy, eczema, asthma, and eosinophilic gastrointestinal disorders.

Professor Brough was awarded ‘Health Professional of the Year’ in 2010 by Coeliac UK, the Barry Kay award for excellence in Paediatric Allergy research from the British Society for Allergy and Clinical Immunology in 2013 and the Distinguished Clinician Award from the American Academy of Allergy and Clinical Immunology in 2020.

Dr Erika Harnik
Consultant in Paediatric Allergy & Immunology

Erika is a Consultant and Head of Service in Paediatric Allergy & Immunology at Imperial College London. She trained in Paediatric Allergy at the Evelina Children’s Hospital, St. Mary’s hospital, Royal Free Hospital and Great Ormond Street Hospital. She received a distinction in her Master of Sciences degree in Paediatric Allergy from the University of Southampton. She is an excellent, thorough and dedicated doctor with a wealth of experience and excellent rapport with parents and patients alike.

Rosy Wells

Dr Rosy Wells
Paediatric Allergy Consultant

Rosy has been a Paediatric Allergy Consultant at St George’s Hospital since 2018 and is Clinical Lead for the service. She completed her training in General Paediatrics and developed a special interest in Allergy, obtaining a specialist interest module (SPIN) in Allergy from RCPCH. Rosy holds a MSc in Advanced Paediatrics and a PG Cert. in Allergy.

Rosy and her team at St George’s were awarded the ‘Free From Hero’ award in 2023 for their work in provided Allergy Emergency Bags and training to all local schools.

Dr Andreina

Dr Andreina Marques Mejias
Medical Associate
Specialist Doctor in Paediatric Allergy

Dr Andreina Marques Mejias is an Allergist trained in Hospital Universitario La Paz in Madrid with a PhD from Universidad Autónoma de Madrid. After completing her training, she moved to London, where she has been working in the Paediatric allergy department at Evelina Children’s Hospital. She has a special focus on paediatric allergy research as a co-investigator of prevention, diagnosis, and food allergy treatment trials. Dr Marques Mejias speaks fluent Spanish, English and Portuguese.

Rosalind Capelin-Jones

Rosalind Capelin-Jones
Senior Paediatric Allergy Registrar

Rosalind is a Senior Paediatric Allergy Registrar having trained at St Mary’s Hospital, Paddington and Evelina Children’s Hospital. She received her MSc in Allergy from Imperial College University for which she gained a Distinction and the Dean’s prize. Her interest in allergy arose from her own personal experience of having a food allergic child; therefore she understands the daily challenges that parents face. As a result, she is an empathetic & diligent doctor who seeks to provide excellent patient-centred care.

Karen Wright
Specialist Dietitian (RD) MSc Allergy

Karen has worked as an allergy specialist dietitian in the NHS at St Mary’s Hospital and in research at St Thomas’ Hospital, London and currently works for the University of Southampton as a clinical teaching fellow for the Masters of Sciences Allergy degree (MSc). Karen gained a distinction in the MSc Allergy degree and was awarded the AAIR Holgate Award for Excellence in Allergy from the University of Southampton. In 2021, Karen was awarded the Anthony Frew Award for Excellence in Allergy Education by the British Society of Allergy and Immunology. Karen is also joint chair of the British Dietetic Association Food Allergy Specialist Group.

Louise Cameron
Clinical Nurse Specialist

Louise is a clinical nurse specialist at Children’s Allergy Doctors and at the Portland Hospital where she runs the day unit service for oral food, drug and latex challenges. Her training took place at Great Ormond Street hospital with South Bank University, where she achieved a BSC in Children’s Nursing. Prior to moving into the speciality of allergy, she worked on a variety of wards including Accident & Emergency. She is a kind and caring nurse who always has time for patients and their families.

Hannah Smyth
Clinical Nurse Specialist

Hannah is a clinical nurse specialist at Children’s Allergy Doctors. Hannah graduated from King’s College London with a BSc in Children’s Nursing. Since qualifying, she has spent time working on various general paediatric areas; gaining experience caring for atopic children throughout. She has experience in doing allergy testing, parent and child education, respiratory function testing, food challenges, immunotherapy, and drug provocation testing. She is a compassionate nurse who puts patients and families first.

Melanie Davies
Clinical Nurse Specialist

Melanie is a clinical nurse specialist at Children’s Allergy Doctors and at the Portland Hospital where she runs the day unit service for oral food, drug and latex challenges. After graduating from the University of Hertfordshire in 2009, Melanie commenced her nursing career at King’s College Hospital. Having worked in Accident & Emergency, paediatric neurosurgical and the children’s’ day unit, she started working in Paediatric Allergy in 2014. She is a very experienced nurse who knows how to put parents and their families at ease.

Tracy Kennedy
Practice Manager

Tracy is our Practice Manager with over 30 years of management experience. Tracy originally qualified as a nurse at University College Hospital, London where she staffed for several years. Tracy then trained and qualified as a Medical Secretary and worked for many years in private practice management. Tracy manages all areas of the practice including billing and practice development.

Tracy enjoys providing an excellent, friendly service to every patient and contributes to the quality of care. She is happy to assist you in any of your child’s needs and looks forward to speaking to you.

Emily Lowe
Private Healthcare

Emily has worked in private healthcare for over 10 years with extensive experience in different specialities including dermatology, optometry, orthopaedic surgery and cardiology. Emily has an advanced diploma in business, law, and admin.

Emily is very helpful and always willing to assist with any queries.

Teresa Kennedy
Accounts Manager / PA

Teresa is our Accounts Manager / PA. Teresa is a qualified Medical Secretary and has been working in private practice for 14 years. Teresa has worked for various specialties as a PA and Accounts Manager, for paediatric and adult psychiatry, ENT, urology and rheumatology. Teresa’s focus is to provide excellent customer service to all our patients and parents and to make their journey at Children’s Allergy Doctors a smooth and enjoyable process.

Photo of Athina BoardmanAthina Boardman
Medical Secretary

Athina has worked in private healthcare since 2015, in the practice of a leading London paediatric otolaryngologist.  Prior to this, she had a successful career in the hospitality industry, gaining invaluable management and operating experience in leading establishments in the UK and abroad.

She has always loved dealing with people and supporting patients and going the extra mile to assist. She is happy to help with any queries or patient-related issues.

Simone Castle

Audio Typist

Simone is a very experienced audiotypist who has over 30 years’ experience working in private practice and the NHS.



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