Dr Nancy Segal

Dr. Segal is the CSUF 2004-2005 Distinguished Professor in Humanities and Social Sciences and the 2004-5 Outstanding Professor of the Year. She also received the 2005 James Shields Award for Lifetime Contributions to Twin Research, from the Behavior Genetics Association and International Society for Twin Studies and the 2006 “International Making a Difference” Award from Multiple Births Canada. Most recently, she was the 2016 recipient of California State University’s campus-wide Wang Family Excellence Award.

Dr. Segal has written six books about twins.


Dr. Nancy L. Segal received a B.A. degree in psychology (with distinction) and English literature from Boston University (1973), and M.A. (1974) and Ph.D. (1982) degrees in Social Sciences and Behavioral Sciences from the University of Chicago. She is currently Professor of Psychology at California State University, Fullerton (CSUF) and Director of the Twin Studies Center which she founded in 1991.