He was a member of the executive committee of the HERA adjuvant herceptin trial, and a member of the steering group for several UK adjuvant breast cancer trials, as well as the BIG APHINITY, ALTTO/NEO_ALTTO, BRAVO and AURORA studies and other international breast cancer studies. He was chief investigator on the UK trial adjuvant breast cancer trial, TACT2, and of BEATRICE, a global trial that tested the possible benefit of adjuvant bevacizumab in triple negative breast cancer, and serves on the iDMC of a number of clinical trials in breast and other cancers. He is at present and past member of several cancer research funding committees including INCA PHRC, PAIR (Sein), Cancer Research UK Science committee, Cancer Research UK Clinical Research Committee, and from time to time various NIHR funding bodies including EME, clinical trials fellows committee. He is on the advisory board of the ICR and Glasgow Clinical Trials Units, the Bordeaux Institute Bergonie SIRIC and the Cardiff Cancer Clinical and Translational Research programmes.