Allison was a professional basketballer who competed in the WNBL and around the world. As a member of the Australian National Team (the Opals) Allison competed at the 1996 and 2004 Olympic Games winning a Bronze and Silver medal. She also competed at 3 World Championships and spent four years competing at the highest level in Europe. After retiring from professional basketball she developed her own Sports Management company, Majestic Sports, and represents some of Australia’s best female athletes.