Katherine is English and moved to Australia in 2006 with her husband David. Together they have two children. Samantha is 9 and has not been tested for Fragile X. Andrew is 7 and has Fragile X syndrome. Katherine is a carrier of the Fragile X premutation.

Katherine has worked in the finance industry for over 10 years. Before moving to Australia she was supervising a debt recovery team for a stock broker, representing the company in court during disputed claims. Katherine built on her public speaking experience as a weight loss meeting leader for a year in 2012/13 before returning to the finance industry in a sales role. Katherine has recently taken up running and likes to run for fitness with friends. Katherine has taken part in several organised running events and has used these events to fundraise for FXAA on several occasions. Katherine is based in Adelaide. Katherine was re-appointed to the Board at the Annual General Meeting on 25 October 2020.