Sonia Guerriero is an Education Programme Specialist at UNESCO. She holds a PhD from McGill University (Montreal, Canada). Her research explored how children’s interactions with caregivers influence early language development. As a post-doc, she explored the reading skills of children growing up in bilingual homes. Her teaching experience spans from working with children experiencing reading and cognitive difficulties to teaching undergraduate classes and mentoring Master’s students. At the Canadian Council on Learning, she conducted policy-relevant education research for provincial governments and led the national research agenda covering early childhood education, school learning, higher education, workplace learning, and Indigenous education. At the OECD, she designed the Teacher Knowledge Survey to assess the extent that teachers’ pedagogical knowledge was informed by how students learn with the goal to improving teacher education. Her primary areas of work at UNESCO cover curriculum, pedagogy and the science of learning. She has researched and written about early childhood care and education, teacher motivation and development, gender differences in teaching, math anxiety, and child and family well-being.