She received her doctorate in Clinical Psychology from the Tavistock Clinic and Essex University in the UK. She has additional specialist training from the UK in systemic psychotherapy, group analysis, compassionate mind training, mindfulness training and EMDR. Diddy has 18 years clinical experience working as a therapist, supervisor, trainer and consultant. She has experience in individual, family and group therapy with people a wide range of difficulties. She has a particular interest and expertise in working with survivors of trauma in general, but particularly, in the context of rape, childhood abuse, and political violence.