Nancy L. Segal

Nancy Segal, Ph.D., is a professor of developmental
psychology and director of the Twin Studies Center at
California State University, Fullerton, and is one of the
world's leading researchers on twins. She is a Fellow of the
American Psychological Association, was formerly a
contributing research editor for Twins magazine, and is a
member of the advisory board of the Center for Loss in
Multiple Birth and Twins Foundation. She lives in Fullerton,
California.