Dai has been Chief Executive of HCT (Hackney Community Transport) since 1993, leading the organisation as it has grown by more than a hundredfold – from a small community transport provider into a national social enterprise.

Dai won the 2015 Ernst and Young UK Social Entrepreneur of the Year award and the 2012 SEUK Social Enterprise Leader of the Year award and is a board member of Big Society Capital. He holds a Level 3 Vocational Certificate in the use of Industrial Explosives and an honorary PhD in Social Entrepreneurship from the University of Northampton. Dai was awarded an OBE in 2006 for services to disabled people.