Riley was involved with the
British Deaf Association (BDA) for fifty years, serving at various times as a Branch Secretary, Branch Chairman, Area Council Chair, a member of the Executive Council, and for three consecutive terms as Chair of the BDA, from 2008 to 2018. He received the BDA Medal of Honour in 2000. To the end of his life he lobbied for the legal recognition of
British Sign Language in the UK. As well as campaigning nationally, Riley served as vice-president of the
European Union of the Deaf from 1991 to 1994, and as a board member from 2001 to 2005. From 2011 to 2019, he served on the Board of the
World Federation of the Deaf, and was awarded the title of Honorary Board member at the XX General Assembly of the World Federation of the Deaf in July 2019. ==Personal life==