Dr Thivi Maruthappu MA PhD FRCP ANutr is a consultant dermatologist, nutritionist and researcher. As the UK's first dual-qualified dermatologist and nutritionist, her pioneering expertise bridges the gap between diet and skin health. Dr Thivi works in the NHS and has her own practice based at London's Cleveland Clinic. She also conducts research on nutrition and the skin at King's College, London, where she is an honorary senior lecturer. Dr Thivi studied medicine at the University of Oxford and completed her dermatology training in London. She undertook a PhD to investigate the links between our skin and internal health and completed further training in severe eczema and psoriasis at St John's Institute of Dermatology, London, before obtaining a certificate in nutrition science from Stanford Medical School, USA. Over the course of her career, Dr Thivi has garnered numerous academic awards and prizes from organisations including the British Association of Dermatologists, the British Society for Investigative Dermatology and the Royal Society of Medicine. Dr Thivi lives in north London with her husband and three sons.

In her spare time, she loves experimenting with new recipes and roaming Hampstead Heath.