Report summary

Harvard University Department of Population in 2023-2026 reads as a 30-PI network with 43 internal PI collaborations. The research center of gravity is Medicine as the leading field (41% of slots across 23 PIs; 23 labels), Epidemiology as the leading subfield (10% of slots across 8 PIs; 8 labels), and Advanced Causal Inference Techniques as the leading topic (2% of slots across 2 PIs; 2 labels). That is promising: collaboration is not just one large hairball, and the leading breakdown groups cover 17 PIs across distinct clusters. The most prominent PIs by weighted works are S. V. Subramanian (30 weighted works; Child Nutrition and Water Access, Global Health Care Issues). The strongest pairings are Michael Klompas and Chanu Rhee (43 shared works, weight 23.6). The strongest breakdown groups are group 1 with 8 PIs, 9 internal connections, weight 32.5, around Pediatrics, Perinatology and Child Health, Cardiology and Cardiovascular Medicine, Environmental Chemistry, led by Marie‐France Hivert, Mingyu Zhang, Izzuddin M. Aris.