Christina Economos is an internationally known expert in the field of childhood obesity prevention. Her research efforts focus on large-scale community-based participatory interventions with potential for scalability. Erin Boyd Kappelhof is a registered dietitian who specializes in international nutrition communications. She primarily helps food and health organizations and companies define and disseminate their science-based messages. Jessica Collins is a recognised public health leader in Massachusetts and a sought-after speaker at events. She leads multi-sector collaborations to address emerging public health issues through sustainable systems changes.