 vOliver P. John, PhD, is Professor of Psychology and Research Psychologist at the In -
stitute of Personality and Social Research at the University of California, Berkeley. He 
has served as Associate Editor of Personality and Social Psychology Bulletin . Dr. John 
is a recipient of the Jack Block Award for Senior Career Contributions to Personality 
Psychology and the Theoretical Innovation Prize from the Society for Personality and 
Social Psychology, among numerous other honors. His research focuses on personality 
structure and development, emotion expression and regulation, self and self-perception 
processes, and research methods. He has contributed nationally and internationally to 
the application of psychological research to schools and education policy, especially 
with his colleagues at eduLab21 at the Instituto Ayrton Senna, Sao Paulo, Brazil. His 
Big Five Inven  tory and Emotion Regulation Questionnaire have been translated into 
more than 20 languages.
Richard W. Robins, PhD, is Professor of Psychology at the University of California, 
Davis, where he is Director of the Personality, Self, and Emotions Laboratory; Director 
of the California Families Project; and a member of the core faculty for the National 
Institute of Mental Health Training Program in Affective Science. Dr. Robins is Associ -
ate Editor of Personality and Social Psychology Review and past Associate Editor of 
the Journal of Personality and Social Psychology . He is a recipient of the Distinguished 
Scientific Award for Early Career Contribution to Psychology from the American Psy -
chological Association and both the Theoretical Innovation Prize and the Diener Award 
for Outstanding Mid-Career Contributions to Personality Psychology from the Society 
for Personality and  Social Psychology. His research focuses on personality, emotion, the 
self, and ethnic-  minority youth development.About the Editors