Sue Bredekamp, Ph.D – from the childcare sector of Early Childhood Education
- was the director of accreditation and professional development for NAEYC
- help revise statement on Developmentally Appropriate Practices (DAP) in Early Childhood Programs.
Lillian Katz, Ph.D – from the Public Early Childhood Education sector of Early Childhood Educations
- introduced the four Developmental Stages of Teaching and co- directed the project approach for learning.