C. Sue Carter is Professor of Psychiatry and Codirector of the Brain Body Center at the University of Illinois at Chicago.

Lieselotte Ahnert is Visiting Professor of Developmental Psychology and Visiting Professor at the Free University, Berlin

K. E. Grossmann is Professor Emeritus, University of Regensberg.

Sarah B. Hrdy is the author of Mother Nature: A History of Mothers, Infants, and Natural Selection.

Michael E. Lamb is Professor of Psychology in the Social Sciences, Cambridge University.

Stephen W. Porges is Professor of Psychiatry, and Codirector of the Brain Body Center at the University of Illinois at Chicago.

Norbert Sachser is Professor of Zoology and Director of the Behavioral Biology Division, University of Münster.