Crystal Smit (MSc.) is a post-doctoral researcher at the Erasmus School of Social and Behavioural Sciences, Erasmus University, the Netherlands. After finishing her research master in Behavioural Science in 2014, she started working on her PhD project which is embedded in the MyMovez project. With her research she focuses on promoting healthy eating and drinking behaviors in children and adolescents. In her studies, she examines the determinates of healthy eating and drinking and how social influences impact, but also can be incorporated in interventions to improve these dietary behaviors.