Barry O’Sullivan is the producer and presenter of the nationally broadcast music program A Jazz Hour now approaching its fourteenth year on the Community Radio Network, one of the longest running jazz music programs on the FM Airwaves. The program focuses on contemporary jazz from Australia as well as international recordings from the Americas, Scandinavia, United Kingdom and the EU. Nostalgic jazz is also revisited from time to time.

​Barry also produces and presents a variety of jazz programs for digital radio on Fine Music Digital. He reviews jazz music recordings for the web pages Jazz Australia, Jazz and Beyond and the American webpage All About Jazz as well as for Fine Music Magazine. He has recently completed a ten part series for the CRN Magic Moments in Jazz for national broadcast to over 120 stations in all states in 2017. Barry strongly supports Australian jazz and contemporary improvised music with his involvement in Live at the Village and The Sydney Improvised Music Association from his home base in The Blue Mountains, NSW.