Katrina has a son, Alexis, with Duchenne and three daughters, Eva, Beatrice and Elizabeth. Alexis was diagnosed with Duchenne at six months old. Following this Katrina left her career in administration to become a full-time mum and home educator.

In 2015 Katrina started Duchenne Parents Zone, an internet support group for parents of children with Duchenne in the UK and Ireland. Katrina also created and manages Duchenne Awareness UK, a Facebook page aimed at raising awareness of Duchenne. Katrina is passionate about providing support for families affected by Duchenne and has an interest in Duchenne genetics.