Janette Wallis, Ph.D.                               
Vice President for Conservation
International Primatological Society
Coordinator, Conservation Biology Program
American University of Nigeria
e-mail: janettewallis at sbcglobal.net 

Elizabeth V. Lonsdorf, Ph.D.
Vice President for Education
International Primatological Society
Director, The L.E. Fisher Center for Study & Conservation of Apes
Lincoln Park Zoo, Chicago, IL, USA
e-mail: elonsdorf at lpzoo.org

Francine L. Dolins, Ph.D.
Senior Lecturer of Cognitive Psychology
University of Winchester West Hill Winchester, Hampshire England
e-mail: francine.dolins at sky.com

Alison Jolly, Ph.D.
The Old Brewery House
32 Southover High Street
Lewes, UK
e-mail: ajolly at sussex.ac.uk