Kathleen Bigsby

Pepperdine Graduate School of Education and Psychology

Adjunct Professor

Education: PhD, LCSW

Industry Expertise: developing mission-focused organizations with co-occurring integrated treatment models of care utilizing evidence-based therapeutic modalities, quality standards of excellence, and tracking of long-term treatment effectiveness outcomes

Research Interest: program evaluation and data-informed, outcome-driven practice.


Dr. Kathleen Bigsby earned her doctorate and master’s degrees from Syracuse University in Human Development, Family Systems, and Clinical Social Work and is an internationally certified alcohol and drug counselor and certified Grief Recovery® specialist. She has had the privilege of teaching at Syracuse University and California State University. Currently, she is an adjunct professor in the Graduate School of Education and Psychology at Pepperdine University. As a behavioral healthcare executive, Dr. Bigsby has over sixteen years of experience as a CEO developing and leading evidence-based, comprehensive treatment programs. During her career, she has worked in the nonprofit and for-profit behavioral healthcare spheres at every level of care within the continuum, from psychiatric hospital stabilization and treatment to outpatient therapeutic services. Her mission is to improve access to comprehensive and high-quality client and family-centric care. As an administrator, academic, and clinician, she has focused on advancing best practices. Her purpose-driven philosophy is reflected in her desire to contribute to the growth and development of evidence-based best-practice mindsets and empowered learning with the tools and skills to implement analytical and critical thinking to enhance clinical practice.