Heather Freasier
Program Director
Heather Freasier serves as Program Director for CALIBER, overseeing institute operations and supporting collaborative research initiatives. She works closely with investigators and partners to advance programs focused on alcohol, HIV, and biomarker research.
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Judy Hahn
Principal Investigator
Dr. Judy Hahn is a Professor in Residence at UCSF whose research focuses on alcohol use, HIV-related health outcomes, and innovative alcohol biomarker technologies. She co-leads the CALIBER Institute, advancing research that bridges scientific discovery with real-world public health impact.
