David Sean "Gleeso" Gleeson (born 3 June 1968) is the lead singer of Australian hard rock group The Screaming Jets. He was born in Newcastle, New South Wales and currently resides in Adelaide Hills, South Australia. David Sean Gleeson, was born in 1968 and grew up in Newcastle. He made his stage debut in 1978, with his school choir at the Abermain Eisteddfod. At 11 years old he won $10 in a talent contest at Cardiff Worker's Club singing "Monster's Holiday" with a friend. Gleeson formed his fir ...