Director, Institute of Behavioral Science (IBS)

  • Distinguished Professor, Department of Sociology
  • Population Program, IBS
  • CU Population Center, IBS
  • Health and Society Program, IBS
  • Honorary Professor, School of Public Health, University of the Witwatersrand

Research interests: demography, fertility, women and development, aging in developing countries, mathematical demography, social science methods

Population Reference Bureau Proposal Documents »