Dr Amen Sibtain specialises in the treatment of gastrointestinal, hepatobiliary and head and neck cancers. He has particular expertise in chemoradiotherapy and new radiotherapy techniques, including Intensity Modulated Radiotherapy (IMRT) and stereotactic radiosurgery (Gamma Knife and Cyberknife).

Dr Sibtain is based at 95 Harley Street, and also practices at the London Oncology Clinic and the CyberKnife Centre.