Anna Housley Juster is a founding member of Pop-Up Adventure Play and serves as the managing director of program development and parent outreach. She is an early childhood consultant and a certified pre-k to 3rd grade teacher with a M.A. in developmental psychology from Teachers College/Columbia University. She has had many years of experience promoting child-led play for families. Also a founding member of Pop-Up Adventure Play, Sharon Unis serves as the managing director of community initiatives and business development, drawing on many years of working with nonprofits and small businesses. She earned her B.A. in economics and environmental science from Barnard College, Columbia University and specializes in helping communities to build grassroots play initiatives.