Mr Peng Tan is a Consultant Oncoplastic Breast Surgeon at Whittington Hospital and The Breast Unit at The Wellington Hospital. He graduated in Medicine (MBBS/MSc) from Imperial College in 1995 and completed his Basic Surgical Training Programmes in Cambridge and London, earning an MRCS Diploma. He was awarded PhD and MD degrees by the University of London for his research into genetic manipulation of immune and vascular cells during his MRC (UK) Fellowship.

Mr Tan served as a Lecturer in Surgery at Oxford University, where he developed a research programme focused on creating a vaccine for breast cancer. He completed his Higher Surgical Training Programmes with the Oxford School of Surgery and further sub-speciality training in Oncoplastic Surgery at the Royal Marsden Foundation Trust and Imperial College Healthcare NHS Trust. He is a Fellow of the Royal College of Surgeons.

His expertise includes breast cancer diagnosis and treatment, breast lump investigation and removal, breast reconstruction, implant reconstruction, mastectomy, nipple reconstruction, and oncoplastic surgery. He also specialises in single-dose intraoperative radiotherapy (SD-IORT) for early-stage breast cancer. Mr Tan's work has been recognised by the British Transplantation Society and the International Transplantation Society, earning him several prestigious awards.

Appointed in 2012, Mr Tan continues to contribute significantly to the field of oncoplastic breast surgery, combining his clinical practice with ongoing research and teaching. His interests lie in advancing breast cancer treatment and improving patient outcomes through innovative surgical techniques.