Pei-Yao Hung, PhD, is a Software Developer at the d3center, leading development of systems that deliver just-in-time adaptive interventions to support behavior change and habit formation. He earned his PhD from the U-M School of Information and has contributed to interdisciplinary work in public interest technology and health decision aids. In MAPCI, he helps translate methodological innovations into usable software, code libraries, and digital learning tools that support adaptive and personalized intervention research.