psgl-1
(2)
AltruBio Inc.
AltruBio is a clinical-stage San Francisco biotech developing first-in-class immune checkpoint enhancer antibodies for autoimmune and inflammatory diseases. Its lead program, ALTB-268, targets PSGL-1 to restore T-cell homeostasis, and is advancing through mid-stage trials in ulcerative colitis. The company rebranded from AbGenomics in 2020 under CEO Judy Chou and closed an oversubscribed $225M Series B in 2024.
Judy Chou
Dr. Judy Chou is the President, CEO, and Board Member of AltruBio Inc., a clinical-stage biotech company in San Francisco pioneering a first-in-class immune checkpoint enhancer platform targeting PSGL-1/CD162 to treat autoimmune diseases. With over 25 years of experience spanning Bayer Pharmaceuticals, Pfizer, Genentech, and Wyeth, she led AltruBio through a landmark $225M Series B financing in 2024 and is advancing lead candidate ALTB-268 through Phase 2 trials for ulcerative colitis. Recognized as one of Endpoints News' Top 20 Women in Biopharma (2025) and a Most Influential Women in Business honoree (San Francisco Business Times, 2018), she holds a Ph.D. from Yale University and conducted post-doctoral training at the Max-Planck Institute in Germany.