 He was the founder director and company secretary of the European Association for Haemophilia, and first author of the European principles of haemophilia care.He has served on various committees including the Medical Advisory Committee of the UK Haemophilia Society (1993-2007), and chaired the Haemostasis and Thrombosis Sub-Committee of the British Committee for Standards in Haematology (1991–94); the Steering Committee of the UK National External Quality Assurance Scheme in Blood Coagulation (1992–96 and 2005–11); the Panel of Examiners in Haematology at the RCPath (1994–99); the National Quality Assurance Advisory Panel in Haematology (1996–98); and the Ethics Committee of the RCPath (2004–08).He was president of the Council of the Pathology Section of the RSM (1996–98), and of the Barts and The London Alumnus Association (2007–11).