Marieke Vossenaar is a nutrition specialist with 15 years of experience in international nutrition research, with a focus on dietary assessment and food-based interventions for improved nutrition in low- and middle-income countries. She has been engaged in dietary assessment surveys and dietary survey methods development in a variety of low-income settings throughout her career. She served as the senior program leader for diet and health at the Center for Studies of Sensory Impairment, Aging and Metabolism (CeSSIAM) in Guatemala for almost 10 years, strengthening nutrition research capacity to improve maternal, infant and young child nutrition. She has served as a consultant for international organizations dedicated to strengthening global efforts to scale up high-impact nutrition practices and policies, such as the Global Alliance for Improved Nutrition (GAIN), Sight and Life Foundation, Strengthening Partnerships, Results, and Innovations in Nutrition Globally project (SPRING), MicroNutrient Initiative (MI) and others. She has authored numerous peer-reviewed journal articles and is able to work effectively in English, Spanish, French, Portuguese and Dutch. She is currently based in the Geneva, Switzerland area.