Sandra S. Sundel

About the Author

Sandra S. Sundel is an author and educator whose work explores the principles, practices, and applications of behavior change in human services. Her writing offers accessible guidance for students, practitioners, and professionals seeking to understand how behavioral concepts can inform effective helping relationships and interventions. In Behavior Change in the Human Services: An Introduction to Principles and Applications, Sundel presents foundational ideas in a clear, practical framework, connecting theory with real-world service settings. Her work is distinguished by its emphasis on thoughtful application, professional relevance, and the importance of evidence-informed approaches to supporting meaningful change.