 Though his first passion was for cars and the motor industry Caldwell was always interested in music and broadcasting through his love of drama listening to Pat Courtenay on Energy 103 breakfast with all the characters he created.He DJ'ed his first disco at the age of 14.He studied Radio Production and Journalism at Ballyfermot College of Further Education in Dublin from 1993 to 1995 where he achieved a merit profile in Radio Production and Journalism (Media) with an HND from BTEC.