Shekhar Saxena, M.D., is Director of the Department of Mental Health and Substance Abuse at the World Health Organization in Geneva, Switzerland.

Patricia Esparza, Ph.D., is Research Professor and clinical psychologist in the Department of Psychology and Counseling at Webster University in Geneva, Switzerland.

Darrel A. Regier, M.D., M.P.H., is Director of the American Psychiatric Institute for Research and Education and Director of the Division of Research at the American Psychiatric Association in Arlington, Virginia; and Vice-Chair of the DSM-5 Task Force.

Benedetto Saraceno, M.D., FRCPsych, is Professor of Psychiatry and Director of the World Health Organization Collaborating Center on Mental Health of the University of Geneva in Geneva, Switzerland.

Norman Sartorius, M.D., Ph.D., is President of the Association for the Improvement of Mental Health Programs in Geneva, Switzerland.