Bruce VanSledright is Professor in the Department of Curriculum and Instruction at the University of Maryland, College Park.
Marjorie Kostelnik is dean of the College of Education and Human Sciences at the University of Nebraska, Lincoln. She entered the field of early childhood as a Head Start teacher and child care provider before receiving her doctorate from the Pennsylvania State University. She was on the faculty at Michigan State University for 22 years, serving as director of the Child Development Laboratories, then as chair of the Department of Family and Child Ecology. Currently, Dr. Kostelnik is a serving member of the Nebraska Governor's Early Childhood Coordinating Council and the Lincoln Community Learning Centers Advisory Board.