With over 40 years of experience in education, he is a passionate and visionary leader who strives to improve the quality and accessibility of learning for diverse and marginalized communities. He has extensive experience as a consultant, technical advisor, and executive for various international organizations, governments, and NGOs, where he has contributed to the design, implementation, and evaluation of curriculum reform, teacher development, and educational policy projects in several countries. David has a PhD in Educational Psychology and multiple publications and certifications in the field of education.