Tovah P. Klein, Ph.D. - Director

Tovah P. Klein, Ph.D ( has a doctorate in developmental and clinical psychology from Duke University and holds a bachelor's degree from University of Michigan in Psychology. She is on faculty in Psychology at Barnard College and conducts research on children's social development and parents' experiences parenting young children, including the challenges of combining work and family. Other research areas focus on trauma and young children, as well as children's use of play to communicate and process emotions and stressful experiences. She is on the Advisory Boards of Room to Grow, Per Dev, Rwanda Educational Assistance Program, Ubuntu Education Fund,, and has been an advisor to Sesame Street. Dr. Klein is an advisor to children's TV and film, and is frequently quoted in parenting magazines and the media as an expert on toddler development and parenting issues. Dr. Klein's book How Toddlers Thrive: What parents can do today to plant the seeds of lifelong success was published in 2014. Follow her on Twitter: @tovahklein. She is the mother of three boys, all Toddler Center graduates.

Patricia H. Shimm - Associate Director

Patricia H. Shimm, M.A. ( received her graduate training from Teacher's College, Columbia University. She is a founder of the Toddler Center and has extensive experience both as a teacher of toddlers and as a leader of parent groups focused on issues of parenting and child development. She is the author of Parenting Your Toddler: The Expert's Guide to the Tough and Tender Years (published by Perseus Books), served on the Advisory Board for Parenting Magazine, and is currently an expert at She is the mother of three and grandmother of six.

Andrea Carmosino - Center Administrator

Andrea Carmosino ( is the Center Administrator and can answer questions about the Toddler Center.  She is the mother of three children, all  Toddler Center graduates, currently in high school, college, and beyond.  In the past, Andrea worked at the Columbia University School of Social Work (and is a CU alum).  Most recently, she has been running her own jewelry business.  She is happy to return to the Toddler Center.

Tricia Hanley -  Senior Supervising Teacher

Tricia Hanley ( received her graduate training in Child Development and Early Childhood Education from Sarah Lawrence College. Tricia's work with toddlers spans over 20 years, beginning at the Toddler Center when she was an undergraduate at Columbia University. She taught at Sarah Lawrence early childhood center and other area schools prior to her return to her roots at the Toddler Center in 2012. Tricia has two daughters: one, a graduate of Barnard and one in college.

Rachel Flax Kaplan -  Head Teacher

Rachel Flax Kaplan ( received her graduate training in Museum Education and Early Childhood Education from Bank Street College of Education. She graduated from Columbia College with a major in Art History. Rachel has been with the Toddler Center in various capacities, both inside and out of the classroom, since 2011.

Molly Alexander -  Head Teacher

Molly Alexander ( received her graduate training in Early Childhood and Special Education at Bank Street College of Education. She is a graduate of Wesleyan University. Molly joined the Toddler Center in July 2015 after spending three years at Downtown Little School.

Torie Goode - Assistant Teacher

Torie Goode ( is a recent graduate of Columbia (CC '15) and has been a member of the Toddler Center family since 2012. She was a student teacher and then assistant teacher at the Toddler Center while in college. She joined the Center full time on staff in 2015. In addition to teaching, Torie will also be working on research at the Center.

Emma Routhier - Research Coordinator

Emma Routhier ( joins us as Research Coordinator after being a student teacher at the Toddler Center in 2015-16. She is a graduate of Dartmouth College ('12) and in 2016 completed post-baccalaureate coursework in Psychology at Columbia University. She will be coordinating research projects as well as being an assistant teacher in the afternoon classes.