Herbert Gintis is Emeritus Professor of Economics at the University of Massachusetts and External Faculty at the Santa Fe Insitute.

Samuel Bowles is Research Professor and Director of the Behavioral Sciences Program at the Santa Fe Institute and Professor of Economics at the University of Siena.

Robert Boyd is Professor of Anthropology at University of California at Los Angeles.

Ernst Fehr is Director of the Insitute for Empirical Research in Economics at the University of Zurich.