Tamra Loeb, PhD Co-Investigator Tamra Loeb, PhD, is a Co-Investigator for the UCLA 3R Implementation Science Hub, as well as an Associate Adjunct Professor in the UCLA Department of Psychiatry and Biobehavioral Sciences. Learn more about Dr. Loeb: https://www.semel.ucla.edu/cctmhd-hhmb/team/tamra-loeb