One of the BBC's most versatile commentators, Barry joined BBC Radio in 1963 after leaving the Army. He was part of ITV's commentary team for the 1966 World Cup Finals and reported for ITV on the 1968 Olympics.

Barry rejoined the BBC in 1969 and has worked on a succession of World Cups, Summer and Winter Olympics and Commonwealth Games, plus numerous Wimbledon Championships and Boat Races. Barry also commentates on ice skating, ice hockey and badminton.