The PBBT® Institute is an innovation-led organisation transforming how psychotherapy is taught and delivered. Co-founded by behavioural scientists Dr. Ciara McEnteggart and Dr. Yvonne Barnes-Holmes, the Institute developed Process-based Behaviour Therapy (PBBT®) - psychology’s first fully science-based psychotherapy. With a mission to address the global mental health crisis, the Institute delivers advanced training that empowers therapists to provide more effective care while enhancing their clinical confidence through a clear, science-based framework for every client. By integrating scientific research, clinical expertise, and digital innovation, the PBBT® Institute aims to train 1,000 therapists annually, positively impacting over 30,000 clients each year and positioning Ireland as a global leader in mental health innovation.

Why work with us

1. Science-based innovation: We offer psychology’s first fully science-based psychotherapy, giving practitioners a clear, science-backed framework for more effective client outcomes.
2. Cutting-edge training and practitioner support: Our programmes are developed and delivered by leading behavioural scientists with a strong focus on ongoing practitioner support, helping therapists build confidence, competence, and long-term professional growth.
3. Scalable global model: Through digital delivery and organisational partnerships, we provide consistent, high-quality training accessible worldwide - bridging the gap between cutting-edge science and everyday clinical practice.