To examine the science and policy issues involved in coordinating investments in children and their caregivers, the Forum on Investing in Young Children Globally held a workshop in Hong Kong on March 14-15, 2015. Held in partnership with the Centre for Health Education and Health Promotion and Wu Yee Sun College of the Chinese University of Hong Kong, the workshop brought together researchers, policy makers, program practitioners, and other experts from 22 countries. This report highlights the presentations and discussions of the event.