Brenner, Kaufman and Rana (IMAGE) Sanford Burnham Prebys Caption David A. Brenner, MD, is president and CEO of Sanford Burnham Prebys. Randal J. Kaufman, PhD, is director of the Degenerative Diseases Program. Tariq Rana, PhD, is an educational affiliate professor in the Graduate School of Biomedical Sciences. Credit Sanford Burnham Prebys Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.