She is the younger sister of Ronald Snook who was also an Australian representative rower and who was competing at the elite level during and after Emmy's key competitive years.
Her talents were spotted early and in 1990 she was selected into the then nascent Australian Institute of Sport rowing program when she was still seventeen.
In 1990 in UWA colours but in AIS composite crews, Snook won U19 national titles in the coxless four and the pair at the Australian Rowing Championships.
They had a disrupted preparation with Megan Still suffering a rib stress fracture although they raced well at the Olympic regatta.
[11] In 1995 Snook made her last Australian representative appearance when picked with Bronwyn Roye to race a double-scull at the 1995 World Rowing Championships in Finland.