Company Overview
About Xaira Therapeutics
Xaira Therapeutics is an AI-powered drug discovery company launched from stealth in April 2024 with $1 billion in committed capital. Headquartered in South San Francisco, incubated by Arch Venture Partners and Foresite Capital. Led by CEO Marc Tessier-Lavigne (ex-Stanford president, ex-Genentech CSO) and co-founder David Baker (Nobel laureate, UW Institute for Protein Design).
Business Model & Competitive Advantage
Xaira builds AI models predicting biological behavior at the cellular level to design novel therapeutics, initially targeting inflammatory and immunological diseases. X-Cell, unveiled March 2026, predicts gene function from genetic perturbations. Board includes former FDA Commissioner Scott Gottlieb and Nobel laureate Carolyn Bertozzi.
Competitive Landscape 2025–2026
Investors include F-Prime, NEA, Sequoia, Lux Capital, and Lightspeed. Pre-revenue, focused on building AI platform, proprietary datasets, and advancing antibody therapy programs toward clinical development.
Open Positions
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Key Differentiators
Strong Challenger
Xaira Therapeutics is an established challenger with significant market presence and competitive offerings in Healthcare & Life Sciences.
Enterprise Scale
With $1000M in revenue, Xaira Therapeutics operates at enterprise scale with proven market validation.
Frequently Asked Questions
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