Dr. Stefanie C.F. Toise, PhD, MPH, C-IAYT, is a behavioral health specialist with a doctorate in psychology from Clark University, a Master of Public Health in Epidemiology from Yale University, and post-graduate certification in Organizational Development and Human Resource Management from Columbia University and the University of Michigan. She is also certified as a medical yoga therapist. Her work integrates health psychology, public health, behavioral medicine, and mind-body science.

​

As Principal Investigator on an NIH-funded study at Yale New Haven Hospital, Dr. Toise has translated research into practical strategies for health behavior change. With more than three decades of experience, she delivers engaging, evidence-based programs that help people build resilience, reduce stress, and make realistic, lasting changes.

Dr. Toise says, "I work with individuals and groups using positive psychology approaches and yoga therapy. I also design programs for healthcare facility residents, people with chronic diseases, caregivers, and clinical staff.

My business, AT ONE LLC, is rooted in the need to broaden validated treatment options that raise each client's quality of life."