Kathryn Drexler is a genetic counselor in the Prenatal Diagnosis Center. She earned her master's degree in biophysics and human genetics from the University of Colorado Health Sciences Center. She is certified by the American Board of Genetic Counseling. Drexler worked in the Rocky Mountain Regional Genetics Program before coming to UCSF. She has worked in UCSF's Reproductive Genetics Clinic since 1984.