Dr. Budden is Principal at D’EVA Consulting based in Washington, D.C. He provides technical assistance and thought leadership on program evaluation, implementation research, and HCD to the Bill and Melinda Gates Foundation, USAID, and their grantees in Sub-Saharan Africa and South Asia. He brings over 20 years of experience in participatory and behavioral research and has led aspects of HCD projects on adolescent SRH and HIV/AIDS, MNCH, and health service quality improvement. Dr. Budden also advocates for integrating complexity-aware evaluation and implementation research with HCD to build the evidence base and move design innovations to scale.