About Diana: Short Bio: Diana Hill, Ph.D. is a clinical psychologist, international trainer, and a leading expert on Acceptance and Commitment Therapy (ACT)—a revolutionary approach to psychology that is changing our understanding of mental health. Drawing from the most current psychological research and contemplative wisdom, Diana bridges science with real-life practices to help people grow fulfilling and impactful lives. She is the author of four books including I Know I Should Exercise, But…, The Self-Compassion Daily Journal, ACT Daily Journal, and her latest Wise Effort: How to Focus Your Genius Energy on What Matters Most (September 2025). She's the host of the Wise Effort Podcast and her insights have been featured by NPR, Wall Street Journal, Psychology Today, Real Simple, and other national media. Long Bio: Dr. Diana Hill, PhD is a clinical psychologist, author, international trainer, and recognized expert in Acceptance and Commitment Therapy (ACT), compassion-based interventions, and psychological flexibility. With a background that bridges neuroscience, mindfulness, and behavior science, she is known for making complex psychological concepts both practical and inspiring. A summa cum laude graduate of the University of California, Santa Barbara, where she majored in Biopsychology, Dr.Hill earned her doctoral degree in Clinical Psychology from the University of Colorado at Boulder, in collaboration with Dr. Debra Safer at Stanford University where she researched Dialectical Behavior Therapy and Appetite Awareness Training (AAT) for bulimia nervosa. She completed her clinical internship at the University of California, Davis, followed by a postdoctoral fellowship at La Luna Intensive Outpatient Center, where she later served as Clinical Director and developed their ACT and AAT-based treatment program. A leading voice in the evolution of ACT and Process-Based Therapy, Dr. Hill works closely with pioneers in the field. She co-leads ACT BootCamp Training for Therapists with ACT founder Dr. Steven Hayes, and is actively involved in shaping the future of therapy—including the applications of AI, revolutionizing the diagnostic system, network modeling, and process-based approaches. She serves as a senior meditation teacher and curriculum developer for the University of California’s Climate Resilience Initiative, helping integrate ACT and mindfulness into interdisciplinary environmental education. Dr. Hill has contributed to publications in the International Journal of Eating Disorders and co-authored a seminal article on Process-Based Therapy, advancing evidence-based clinical practice. She is a contributor to PsychFlex, a digital platform that helps clinicians incorporate ACT into their work and track client outcomes in real time with ecological measurements, and she regularly speaks at global conferences, including the Association for Contextual Behavioral Science (ACBS) World Conference, Innovations in Psychotherapy, and the Evolution of Psychotherapy Conference. In addition to her clinical and academic work, Dr. Hill teaches at organizations and retreat centers such as InsightLA, Blue Spirit Costa Rica, PESI, and PraxisCET. She is on the clinical advisory board of Lightfully Behavioral Health and a board member of the Institute for Better Health. She is the author of Wise Effort: How to Focus Your Genius Energy on What Matters Most (Sounds True, 2025), The Self-Compassion Daily Journal, I Know I Should Exercise But…, and ACT Daily Journal, and her insights have been featured in NPR, The Wall Street Journal, Psychology Today, Mindful, Prevention, Real Simple, Woman’s Day, and other leading media outlets. She is also the host of the Wise Effort podcast. With over 20 years of study and practice in yoga and meditation, including studying in the tradition of Thich Nhat Hanh, Dr. Hill integrates contemplative practice into her approach to healing and growth. She lives in California where she raises two sons, cares for bees, and embodies the Wise Effort principles she teaches—living a life guided by presence, purpose, and compassion. Links: Connect with her at drdianahill.com or on Instagram, Facebook, LinkedIn, YouTube, and Insight Timer @drdianahill.
