Portfolio Balance & Delivery Group, Member, NIHR NCRN, 2010-2012.
UK Breast Intergroup, Chair, NCRI Breast Clinical Studies Group, 2010.
North American Breast Cancer Group Survivorship Working Group, Co-Chair, Breast International Group (BIG), 2009-2014.
Operational Steering Group, Member, NIHR NCRN, 2009-2013.
Breast Site Specific Clinical Reference Group, Member, National Cancer Intelligence Network, 2009.
Children's Cancer & Leukaemia Group Scientific Steering Committee, Independent Member, UK Childhood Cancer & Leukaemia Group, 2007-2011.
Clinical Studies Group Chairs Forum, Clinical Trial Units Representative, National Cancer Research Institute, 2006.
National Scientific Advisory Committee, Member, Clinical Trials & Research Unit (Leeds), 2006.
EBCTCG Steering Committee, Member, Early Breast Cancer Trialists Collaborative Group, 2005.
Accredited Clinical Trial Units, elected Chair 2012, National Cancer Research Institute, 2003-2014.
Breast Clinical Studies Group, Member, National Cancer Research Institute, 2003.
Health Technology Assessment Commissed Funding Board, Member, National Institute of Health Research, 2011-2016.
GRIST Growing Recruitment in International & Surgical Trials, Member, , 2010-2013.
Committee for Clinical Research, Member, Yorkshire Cancer Research, 2011-2013.
Directors of Registered Clinical Trials Units, Member, UK Clinical Research Collaboration, 2007.
Feasibility Studies Committee, Member, Cancer Research UK, 2006-2008.
College of Experts, Member, Medical Research Council, 2006-2009.
Complementary Therapies Steering Group, Member, Breakthrough, 2006-2007.
eRDC Project Board, Member, National Cancer Research Network, 2005-2006.
Examining Board of the Faculty of Clinical Oncologists (Part 1), Member, Royal College of Radiologists, 2004-2011.
Research Advisory Panel (funding committee), Member, Yorkshire Cancer Research, 2013.
Data Monitoring & Ethics Committee (GAIN), Chair, German Breast Group, 2004.
Data Monitoring & Ethics Committee, Chair, MRC Testicular Tumour Trials, 1998.
Data Monitoring & Ethics Committee - Testicular Tumour Trials, Chair, Medical Research Council, 1998.
College of Senior Investigators, Member, National Institute of Health Research, 2017.
Cancer CTU Group, Chair, National Cancer Research Institute, 2014.
. elected Chair 2012, UK Breast Intergroup, 2007.
Registered CTU Network - Executive Group, Member, UK Clinical Research Collaboration, 2014.
BMBF funding programme for practice-changing clinical cancer studies, Grant Reviewer - statistics & trials methodology expert, Federal Ministry of Education and Research (BMBF), Germany, 2019.
DANTE Trial Steering Committee (TSC), Committee member, University of Leeds, 2019-present.
. Grant (peer) Reviewing, NIHR Advanced Fellowship Panel, 2019-present.
ICR-CTSU, NCRI-BCSG & ICCG Group representative, Member, Breast International Group (BIG), 1997.
Academy of Finland’s evaluation panel, Panel Member, Academy of Finland, 2015-2017.
Health Research Board, Panel Member - Definitive Interventions, Health Research Board (HRB) Ireland, 2015-2018.
Executive Board, Member, Breast International Group (BIG) Executive Board, 2017-present.