Stephen Becker is an experienced physician-leader with global expertise in HIV public health. He has demonstrated leadership in multiple areas of HIV treatment and prevention, on both global and US domestic levels. He has led, and advised, multiple programs involving government health and research agencies, donor and implementer organizations, academic, NGO and private sector pharmaceutical and diagnostic entities. His experience as a clinician, clinical trials expert and product developer has permitted the building of sustained and aligned end-to-end collaborations among diverse stakeholders. In his previous role at the Bill & Melinda Gates foundation he led HIV prevention and treatment optimization programs, and championed a new philanthropic model, focusing on evidence-based decision making and coordination of research and development efforts with those of programmatic adoption and implementation. This model highlighted the application of quantitative methods, alignment of incentives, and accountability among grant recipients and partners. It also leveraged the expertise of those from allied fields, including behavioral economics, marketing and mathematical modeling in order to build a public health business case that would inform research and delivery priorities and efforts.He currently works as a consultant to HIV-related NGOs, the NIH, academic groups and pharma in areas of HIV prevention and treatment optimization, and has advised newly formed philanthropic foundations.