Tuck-Kay Loke graduated from Imperial College London with a Bachelor of Medicine and Surgery in 1995. After completing general medical training, he obtained membership of the Royal College of Physicians, London in 1999. He went on to undertake specialist respiratory medicine training in numerous esteemed teaching hospitals, including Guy's and St Thomas' Hospitals, The Royal Brompton and St George's Hospital. In 2006, his research project on the pathogenesis of steroid-resistant asthma earned him a doctoral thesis from King's College London, thanks to a fellowship from the Guys and St Thomas’ Hospitals Charitable Foundation.

Dr Loke's NHS practice has been at Maidstone and Tunbridge Wells NHS Trust since 2017. Previously, he spent a decade at Croydon Health Services NHS Trust. Here, he chaired the Trust Cancer Board and the Medicines Management Committee, in addition to holding the position of Cardiorespiratory clinical lead. He treats patients privately at the Nuffield Health Tunbridge Wells Hospital and the Spire Tunbridge Wells Hospital. He is skilled in treating and managing a variety of respiratory conditions, with a particular interest in asthma and allergy. He is an experienced bronchoscopist and EBUS operator.