Stacy L. Nonnemacher, PhD, has more than 25 years of experience working in the field of intellectual and developmental disabilities (I/DD). In her various roles throughout the field, Dr. Nonnemacher has embraced the importance of positive behavioral supports and has influenced and informed policy and programmatic decisions related to state Medicaid programs focusing on clinical best practices and behavioral science to affect change and create best practices in supporting people, their families, and other supporters.