Rebbeca Lahann, Psy.D., CST is an award-winning licensed clinical psychologist and AASECT Certified Sex Therapist with more than 25 years of specialized experience in sex therapy, mental health, and values-based living. She serves as clinical director of Spectrum Psychology and Wellness, a multi-location group practice in Arizona known for its holistic approach to sexuality, chronic health, and psychological resilience.

Dr. Lahann is the originator of the concept of "sexual values"-a groundbreaking framework integrating Acceptance and Commitment Therapy (ACT) with sex therapy-and the culmination of decades of clinical innovation. She has served as president of the Arizona Psychological Association and the Arizona Psychology Training Consortium, and currently chairs the AASECT Continuing Education Committee. A sought-after speaker and media contributor, her work has appeared in The National Psychologist, and on podcasts including Sex Advice for Seniors and Loving Without Boundaries.