Duncan, Sandra: - With over 45 years of experience in the early care and education field and a doctorate in education, Dr. Duncan has extensive experience in working with young children and parents, teaching at the university level (doctorate students and early childhood students), PDA specialist for CDA candidates, designing and writing professional development programs for practitioners, and authoring several teacher resource books including Inspiring Spaces for Young Children and Rating Observation Scale for Inspiring Environments (ROSIE). As the former owner of eleven early childhood programs (i.e., well baby clinic, reading diagnostic clinic, park and recreation, programs for special rights children, preschool, and child care) and current owner of eleven before- and after-school programs serving over 1,100 school agers for three public school systems, Dr. Duncan has a wide and varied background in early care and education. Most importantly, she is the proud grandma of Sierra Elizabeth.