Training in London at St George’s, Royal Marsden and Westminster Hospitals, Felix joined the facility of Head and Neck surgery at Peter MacCallum Cancer Institute in 1977-2014, establishing the Melanoma Unit there. Concurrently Head of Unit Plastic & Reconstructive Hand Surgery at the Western Hospital from 1988, establishing an international hand surgery career. Felix pioneered the Keystone Perforator Island Flap (ANZJS 2003) leading to 33 published peer reviewed articles and 4 textbooks with 2 in press.