Hans Cohen de Lara (1944) is a psychologist from the Netherlands specialized in cognitive and language development. He trains preschool and primary school teachers and advises school boards and government agencies on curriculum development and professional development.

Nicky Cohen de Lara-Kroon (1946) is a child psychologist (orthopedagoog en GZ-psycholoog). She published her doctoral dissertation on projective assessment with children in 1999. Nicky was in private practice for over 18 years. She currently supervises psychologists in training and occasionally travels to the field as a consultant for Médecins Sans Frontières.