Gaye Gronlund, MA, is a nationally recognized consultant and author who works with early childhood programs across the country, specializing in developmentally appropriate practice, authentic assessment, play-based curriculum, and early learning standards. Her other publications include: Individualized Child-Focused Curriculum, Focused Observations, Second Edition, and Making Early Learning Standards Come Alive, Second Edition.

Thomas Rendon is the former coordinator of the Iowa Head Start State Collaboration Office and an active supporter of policy to promote play at a state level. He has an MBA from the University of Iowa and is currently working on a PhD in early childhood special education from Kent State University.