Reyna LindertMichelle Anthony and Reyna Lindert, both PhDs in Developmental Psychology, are skilled in American Sign Language and have extensive professional experience working with hearing preschoolers and families with young children. Both are actively involvedin continued research in the baby sign language field and keep current on research in the fields of language development, cognition, and literacy. Together, they co-founded Signing Smart, an international program of parent-child play classes and materials. Read More Read Less