Dr. Ephrat Levy Lahad, Associate Professor of Genetics and Medicine at Hebrew University, Jerusalem, is on sabbatical in the this fall and winter. Ephrat was a Fellow in at UW between 1992-1996, during which she cloned the Alzheimer’s disease gene presenilin 2 (Levy Lahad et al Science 269: 973-977, 1995). Ephrat continues her work with Alzheimer’s disease, as well as investigations of the genetics of BRCA1 and BRCA2, and the development of pre-implantation diagnosis for inherited disease.