Catherine Tsao plays a major role on several projects funded by California Department of Education and First 5 San Francisco. Previously, she directed the California Infant/Toddler Learning and Development Foundations, California Preschool Learning Foundations Volume 1, and California Preschool Curriculum Framework projects. Through collaboration with researchers and practitioners, these projects developed research-based resources to support early childhood professionals in facilitating the learning and development of children birth to age five. Tsao has supported other states in the development of infant/toddler initiatives; for example, she worked with the Ohio Bureau of Jobs & Families and the Ohio Child Care Resource & Referral Agency to develop early learning guidelines and train a network of PITC-certified infant/toddler specialists. As a Regional Coordinator with PITC Partners for Quality, she coordinated community-based training and technical assistance for California’s six north coast counties. Tsao earned her B. A. and Ph.D. from UCLA and has held academic appointments in the UCLA Department of Psychology and the University of Minnesota Institute of Child Development.