T wo decades ago, I published The Transforming Power of Affect (Fosha, 2000b) and introduced accelerated experiential dynamic psychotherapy (AEDP), a new clinical model. I would sometimes say that, at that time, there was only one AEDP practitioner in the world-namely, me. Now, 2 decades later, I am no longer alone. Far from it!In the 20 years since the publication of The Transforming of Affect, the number of AEDP practitioners worldwide has grown into the thousands. There is an AEDP Institute with a faculty of more than 20 members and growing; many certified supervisors; scores of certified therapists; and a passionate, engaged, and lively worldwide community. There is a thriving AEDP Practice Research Network , where private practice therapists and psychotherapy researchers collaborate to make possible clinically relevant