Career
He played two matches for the All Blacks, scoring seven tries, but did not play any test matches. Simonsson switched codes to rugby league in 1990, but his career was curtailed by injury. He played only three NSWRL matches, two from the bench, for North Sydney Bears in 1991 and 1992.
He subsequently returned to rugby union in 1995, and played for New South Wales and the Australian Sevens team in 1996 before injury forced his retirement.
Simonsson worked as a police detective in New South Wales, having first joined the New Zealand Police in 1987. He was later a tax investigator for the Australian Taxation Office and worked at the Australian Department of Climate Change.
He is currently the head of intelligence at the Australian Sports Anti-Doping Authority.