Played within the 1999, 2003, and 2007 Rugby World Mugs, and won the planet Glass with Australia in 1999, performed in over 60 Tests. He produced his debut for Australia in 1997 within a match against France. He became an associate trainer for the RaboDirect Melbourne Rebels after his pension from playing. His sibling, Brent Cockbain, performed Rugby Union for Wales. He was teammates with Al Baxter over the Australian group that completed as runners-up within the 2003 Rugby Globe Cup.