 In this role, Cleaver was a driving force behind the founding of the UK's Big Bang Fair which was first run in 2008 and by 2015 had become one of Europe's largest science, engineering and technology fairs for young people.Cleaver retired from his role at EngineeringUK in 2011 and as Patron of the Big Bang Fair a few years later.He is chairman of recruitment company SThree and financial wrap provider, Novia Financial