The Global Handwashing Partnership and Procter & Gamble convened the 2018 Handwashing Behavior Change Think Tank in Manila, Philippines. This event brought together academics, practitioners and stakeholders working in handwashing behavior change across the globe to co-create solutions in handwashing behavior change. The event report can be accessed here: https://globalhandwashing.org/resources/2018-handwashing-behavior-change-think-tank/