Professor Mokbel is a Consultant Oncoplastic Breast Surgeon at the London Breast Institute of The Princess Grace Hospital, London; Honorary Consultant Breast Surgeon at St George's Hospital NHS Trust, London; Professor of Breast Cancer Surgery at the Brunel University, London, and president of breast cancer hope charity. Professor Mokbel was named in Tatler magazine's Best Doctors Guide as one of the featured 'Top Breast Surgeons' in 2006 and 2007 and in November 2010 he was named in the Times magazine's list of Britain's Top Doctors. He graduated (MB,BS) from the University of London in 1990. Kefah was awarded several prestigious prizes during his undergraduate medical training at The London Hospital Medical College. He qualified as a Fellow of the Royal College of Surgeons (FRCS, England) in 1994. He was granted the Master of Surgery degree in 2000 by The Imperial College of Science, Technology and Medicine for his research in the field of molecular biology of breast cancer. Following this specialist accreditation, he was appointed as a substantive Consultant Breast Surgeon to St. George’s Hospital, and an Honorary Senior Lecturer in Surgery. In 2002, he was appointed a Professor at The Brunel Institute of Cancer Genetics and Pharmacogenomics (Brunel University, London, UK) in recognition of his contribution to breast cancer research. In 2005, he was appointed as a Reader in Breast Surgery at St. George’s University of London.

Professor Mokbel's clinical interests in the field of breast surgery include the early detection of breast cancer, breast ductoscopy, minimally-invasive breast surgery, sentinel node biopsy, skin and nipple sparing mastectomy, breast reconstruction, aesthetic breast surgery, breast lipofilling, prevention of breast cancer, genetic predisposition, and the management of benign conditions. His main research interest lies in the field of molecular biology and the clinical management of breast cancer. His prolific research output includes over 350 published papers in medical literature with an H-index of 45 and i10-index of 151. He has also written 14 books in various disciplines including surgery, oncology, breast cancer, and postgraduate medical education and is a member of the editorial board of several international medical journals.