Cullen has been described as the ‘unabashed colourist‘– Aidan Dunne in Visual Art Review of the Year (1998) or a ‘ superb colourist‘ as echoed in the Irish Arts Review. Cullen is an Irish artist, born in Dublin in 1959. He has been actively exhibiting since 1982. He has quickly established himself as one of Ireland's most well-known performers. Stephen has shown frequently in Ireland, as well as in Strasbourg, Luxembourg, and most recently in London. Stephen has been invited to show in the international EIGSE exhibition and the RHA annual exhibition in Dublin on several occasions.