The UCSF Molecular Design Institute (MDI), a University of California Organized Research Unit at UC San Francisco, has been renamed the Quantitative Biosciences Institute (QBI) as of January 2016.

QBI remains an ORU. It is directed by Nevan Krogan, PhD, under the direction of B. Joseph Guglielmo, PharmD, dean of the UCSF School of Pharmacy.