Investigator. John K. Hewitt, PhD., is known for his work in
biometrical and developmental behavior genetics. He is Director
of the Institute for Behavioral Genetics at the University of Colorado.
He is a past President of the Behavior Genetics Association and
he is Executive Editor of the journal Behavior Genetics. He has
successfully directed large scale twin studies of community samples
involving extensive field work. These include: the Virginia Study
of Adolescent Behavioral Development involving the repeated assessment
of over 1400 families yielding a representative sample of school
aged twins throughout the State of Virginia (he was founding PI
and director of the study from 1989-1992); the MacArthur Longitudinal
Twin Study (PI Hewitt); and the Colorado Adolescent Twin Study (PI
Hewitt), of which this center component is one part. He is PI for
the annual NIMH supported workshops on quantitative methods for
the analysis of twin and family studies.
Vitae (pdf document, requires adobe