Report summary

University of California, San Francisco Department of Epidemiology and Biostatistics in 2024-2026 reads as a 78-PI network with 56 internal PI collaborations. The dominant subject mix is Medicine as the leading field (44% of slots across 65 PIs; 65 labels), Public Health, Environmental and Occupational Health as the leading subfield (8% of slots across 16 PIs; 16 labels), and HIV/AIDS Research and Interventions as the leading topic (4% of slots across 8 PIs; 8 labels). Overall the pattern is balanced: there is enough structure to identify active groups, while the field mix still leaves room for multiple research identities. The leading PI names are Vinay Prasad (26.3 weighted works; Health Systems, Economic Evaluations, Quality of Life, CAR-T cell therapy research). The most visible ties are Catherine E. Oldenburg and Thomas M. Lietman (22 shared works, weight 9.4). The leading breakdown groups are group 1 with 10 PIs, 13 internal connections, weight 29.3, around Public Health, Environmental and Occupational Health, Pulmonary and Respiratory Medicine, Oncology, led by Benjamin N. Breyer, Matthew R. Cooperberg, Samuel L. Washington.