Sam was the chair of the UK NEQAS Haematology Steering Committee from 2006-2009 and will be remembered for his active support and promotion of the EQA Scheme, as well as his enormous contribution to the promotion of quality in laboratory haematology. He is also remembered by colleagues for his guidance and encouragement in their careers. Barbara De la Salle and Wayne Thomas, on behalf of UK NEQAS Haematology.