| Place Of Birth || Hong Kong |
| Influential Person || Her older brother Andrew, who competed in the triathlon for Scotland |
| Idol || Sir Steven Redgrave |
| Commonwealth |
| Manchester 2002|
2nd in the semi-final of the 100m Backstroke (1:02.86)
Silver in the 200m Backstroke (2:11.60)
Gold in the 4x200m Freestyle relay (8:01.39)
| Olympic |
| Athens 2004|
did not compete
9th in the 200m Backstroke (2:13.57)
| Injuries || She broke her ankle in 2003. |
| Other || Personal Best:|
50m Backstroke - 30.33
100m Backstroke - 1:02.46
200m Backstroke - 2:11.05
109th in the 50m Backstroke (2005)
127th in the 100m Backstroke (2005)
14th in the 200m Backstroke (2005)
Joanna was granted a clearance by FINA in December 2005 to swim for Australia, having fulfilled the sport's governing body's one-year citizenship rule after she joined Miami Swimming Club on the Gold Coast in December 2004.
She trained under Grant Hackett's coach Denis Cotterell at Miami, but has been based at the University of Southern California for the past four years.
When she was competing for England, she denied Australia gold and silver medals at the 2002 Commonwealth Games. She lived and trained in Australia as a teenager and holds Australian and British citizenship.