This text explores how psychotherapists can use deliberate practice to improve their clinical effectiveness. By sourcing through decades of research on how experts in diverse fields achieve skill mastery, the author proposes it is possible for any therapist to dramatically improve their effectiveness. However, achieving expertise isn't easy. To improve, therapists must focus on clinical challenges and reconsider century-old methods of clinical training from the ground up. This volume presents a step-by-step program to engage readers in deliberate practice to improve clinical effectiveness across the therapists' entire career span, from beginning training for graduate students to continuing education for licensed and advanced clinicians.