Dr. Colleen (Uscianowski) Maas is an Assistant Professor of Early Childhood Education at the University of Cincinnati, where she explores early childhood and elementary education. She conducts mixed methods research involving children's mathematical thinking, teachers' preparation, and the home math environment. Dr. Maas is an affiliate member of the Development and Research in Early Math Education (DREME) network, where she works on the Family Math project. In addition, she is the director of the Child Learning Lab (www.childlearninglab.com/) and teaches courses on Mathematical Learning, Scientific Learning, and Assessment. She is also the founder of Luminous Learning (www.luminouslearning.com), which creates engaging mathematics resources for elementary classrooms.