Sofia is a professional nurse who trained at the Anglo-America Clinic and the “Universidad Femenina del Sagrada Corazon, with post graduate studies in hospital supervision and administration at the University of San Martin de Porras. She joined Young Lives partner organisation Instituto de Investigación Nutricional (IIN) in 1982 as Head Nurse of the hospital unit and later as Nurse Practitioner in the IIN’s community clinic. From 1984 she was coordinator, trainer and national coordinator in a variety of IIN research projects and programmes. These have included participation in the first national survey of nutrition and health 1984−85, field coordinator for the school breakfast programme developed in schools across the country and subsequently transferred to the government for implementation nationwide. Since 2001 she has been coordinator for the Young Lives project, managing all aspects of the field work in Peru.