Aaron Lieberman is lead partner for the Early Childhood Support Organization (ECSO) Initiative at New Profit. The ECSO Initiative is an innovative public-private partnership that will provide resources and align incentives to support better outcomes for children enrolled in center-based Head Start and subsidized childcare programs. Mr. Lieberman started his career as a Head Start teacher in Boston, where he also founded and served as CEO of Jumpstart from 1994 until 2002. In 2002, Mr. Lieberman founded Acelero Learning. Acelero Learning is focused on closing the achievement gap for thousands of Head Start children and families across the country. He served as CEO until 2015 when he transitioned into the role of chairman. Mr. Lieberman is a graduate of Yale University.