Nancy Wexler, PhD is a neuropsychologist who's devoted her life's work to finding a cure for the fatal hereditary disorder Huntington's Disease. She is best known for her major contribution in discovering the location of the gene that causes the disease. Today, Wexler serves as president of the Hereditary Disease Foundation, a clinic founded by her father, Milton Wexler, M.D., and as the Higgins Professor of Neuropsychology at Columbia University. Wexler's 20-year study of the world's largest family with Huntington's disease, in Lake Maracaibo, Venezuela, developed a pedigree of over 18,000 individuals and collected over 4,000 blood samples which lead to the identification of the Huntington's disease gene at the tip of human chromosome 4. Wexler herself has a one in two chance of having the disease. Her mother, grandfather and three uncles all passed away from Huntington's. Wexler received an A.B. from Radcliffe in 1967 and a Ph.D. in clinical psychology from the University of Michigan in 1974. She currently holds or has held numerous public policy positions, including Chair of the Joint NIH/DOE Ethical, Legal and Social Issues Working Group of the National Center for Human Genome Research, Chair of the Human Genome Organization (HUGO) and Member of the Institute of Medicine. Wexler has served as a member of the board of directors of the American Association for the Advancement of Science and on the Advisory Committee on Research on Women's Health, NIH. She has received numerous honors and awards including the 1993 Lasker Award for Public Service.