David Perkins is a researcher, developer, writer, speaker, and Professor Emeritus at the Harvard Graduate School of Education. Themes close to his heart include creative and critical thinking, the nature of intelligence, organizational learning and change, deep teaching and learning, and learning through the arts. He has authored and co-authored more than a dozen books on these matters. He is a founding member of the research and development group Project Zero at the Harvard Graduate School of Education, an initiative still in full swing after 55 years, co-directed Project Zero for nearly 30 years, and continues his professional activities through it.