Yvonne has been a highly successful academic and clinician with a strong track record in teaching, training, publishing and presenting for over 20 years. She has published over 150 scientific articles and book chapters and given over 500 presentations and workshops internationally. She was an Associate Professor in Behaviour Analysis and a Senior Research Fellow at Ghent University before co-founding Perspectives Ireland. She is a world leader in behavioural science and a co-developer of Process-based Behaviour Therapy (PBBT). Yvonne is dedicated to bringing greater precision to clinical psychology with PBBT in order to increase success in their personal and professional lives.