Jesse I. Treu is the founding partner and currently Partner Emeritus of Domain Associates. See sector focus and contact routes.
Jesse I. Treu is the founding partner and currently Partner Emeritus of Domain Associates, a New York-based venture capital firm he co-founded in 1985 that specializes in biopharmaceuticals, medical technology, and diagnostics[1][2][7]. His investment thesis targets early-stage companies in the life sciences sector, focusing on seed through Series B rounds within the United States[2][5]. Typical check sizes range from $100,000 to $5 million, and Treu has historically served as a lead investor by holding directorships in nearly 40 early-stage companies[3][5]. Notable portfolio companies include Biosite Diagnostics, GelTex Pharmaceuticals, Inspire Pharmaceuticals, and NPS Pharmaceuticals, of which 23 eventually became public companies[3][4][6]. Treu distinguishes himself with a deep background in physics, holding a Ph.D. from Princeton University, and currently champions fusion energy as chairman of the Stellar Energy Foundation to address climate change[2][3]. He also maintains active involvement in global cosmology research projects such as the Atacama Cosmology Telescope and the Simons Observatory[2].
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