英国推理作家協会
He is a founder member of The Medieval Murderers, a select group of historical crime-writers within the Crime Writers' Association, who give presentations at literary festivals, libraries and bookshops, to promote their work amongst the public. He is also one of the non-fiction judges for the annual 'Dagger' Awards of the Crime Writers' Association and a regular reviewer of crime books for the Internet site Tangled Web.