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Emma Thomas, secretary


Dr Eleanor Mallon completed undergraduate and postgraduate medical training in London, obtaining membership of the Royal College of Physicians.  She trained in dermatology at Chelsea & Westminster Hospital, St John’s Institute of Dermatology at Guy’s and St Thomas’ Hospitals and the John Radcliffe and Churchill hospitals in Oxford. Following this she obtained dermatology specialist accreditation from the Royal College of Physicians in 1999.  She is registered with the General Medical Council.

In 1999 Dr Mallon was appointed consultant dermatologist at Croydon University Hospital and honorary senior lecturer in dermatology at St John’s Institute of Dermatology Guy’s and St Thomas’ Hospitals, where she worked until 2016.

She is passionate about delivering high quality dermatology care.  She has extensive experience in managing skin cancer and skin conditions of all types in children and adults.  She also has expertise in managing skin diseases affecting the male and female genital and perianal skin.

Dr Mallon has expertise in teaching and training in dermatology including on the postgraduate MSc course in clinical dermatology at St John’s Institute of Dermatology, where she was chief examiner on the MSc clinical dermatology course for four years.  She was awarded a merit in postgraduate medical education by the Royal College of Physicians in 2017. 

She has been a member of the Clinical Standards Unit Therapeutics and Guidelines Committee of the British Association of Dermatologists since 2013 and is involved in writing national guidelines for the management of skin cancer and skin disease.

She enjoys reading, music and keeping fit.  She has run several marathons for charities including the London Marathon for the British Skin Foundation.


General dermatology, paediatric dermatology, skin cancer

Research & publications

Dr Mallon’s most recent publication is a chapter for the latest edition of The Rook Textbook of Dermatology entitled Skin diseases of the perianal area and perineum, published in 2016.

Her research has led to an MD thesis awarded from University College London entitled Immunogenetic and infective factors in the pathogenesis of psoriasis.  Research for her MD thesis was undertaken at Chelsea & Westminster Hospital, The Wohl Virion Institute, University College London (including under supervision of Professor Robin Weiss, FRS) and at the Churchill Hospital Oxford.