Yvonne has practiced karate for over 45 years. She holds the grade of 5th Dan awarded by the Kase Ha Shotokan Ryu Karate Do Academy.
Yvonne is a member of the English Shotokan Academy Technical Committee.
She began training in 1975 at Huyton Karate Club (KUGB) and moved on to train at Liverpool Red Triangle where she attained her 1st Dan black belt.
In 1982 she began training with Sensei Steve Cattle at Kirkdale Karate club and attained 2nd and 3rd Dan grades prior to leaving the KUGB in 1990 to follow Steve and the way of Sensei Kase.
In May 1984(aged 16) she was personally invited by Sensei Enoeda to join the KUGB national squad.