• 2007 - Present
    Edward M. Arnett Professor of Psychology & Neuroscience, Department of Psychology and Neuroscience; Department of Psychiatry and Behavioral Sciences; and Center for Genomic and Computational Biology, Duke University, Durham, NC, USA
  • 1997 - Present
    Professor of Personality Development, Social, Genetic, and Developmental Psychiatry Research Centre, Institute of Psychiatry, King's College London, England
  • 1995 - 2007
    Professor, Department of Psychology, University of Wisconsin, Madison
  • 1995 - 2007
    Faculty member, NSF National Consortium on Violence Research (NCOVR), Carnegie-Mellon University
  • 1995 - 2007
    Faculty member, Institute for Research on Poverty, University of Wisconsin, Madison
  • 1991 - 1995
    Associate Professor of Psychology, University of Wisconsin, Madison
  • 1991
    Visiting Scholar, Institute of Personality Assessment and Research, University of California, Berkeley
  • 1989 - 1991
    Assistant Professor of Psychology, University of Wisconsin, Madison
  • 1986 - 1989
    Assistant Professor of Psychology, Harvard University
  • 1986
    Research Associate, Carolina Population Center, University of North Carolina, Chapel Hill
  • 1985
    Research Associate, Berlin Longitudinal Study on Youth Development, Technical University of Berlin, West Germany