Xaira Therapeutics
Xaira Therapeutics is a biotechnology company using AI to accelerate drug discovery and development. The company raised $1 billion in Series A funding in April 2024, one of the largest initial rounds for a biotech startup.
The growth story
Xaira Therapeutics grew from 3 to 218 employees between 2022 and 2026, raising $1.0B along the way, most recently a Series A in April 2024.
About
Xaira Therapeutics develops AI-driven tools to improve the understanding of biology and streamline the process of creating new therapies. The company integrates machine learning research, large-scale data generation, and therapeutic product development to address complex diseases.
The company has grown to 218 employees since its founding in 2023. Its $1 billion Series A funding round, led by prominent investors like ARCH Venture Partners and Foresite Capital, highlights significant investor confidence in its approach to AI-powered drug discovery.
Founders and leadership
Xaira Therapeutics is led by a team focused on integrating AI with biotechnology. Its largest function is research, which accounts for 80 employees, reflecting its emphasis on scientific innovation.
The Xaira Therapeutics org chart
Marc Tessier-Lavigne (Chief Executive Officer) leads 43 mapped leaders with 15 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Research 93 (+7% YoY), Engineering 38 (+73% YoY), Business Development 19 (+19% YoY), Operations 12 (+33% YoY), Information Technology 8 (-20% YoY), Administrative 7 (+75% YoY).
Talent flow
Xaira recruits heavily from Genentech, Interline Therapeutics, and Bristol Myers Squibb, with 18, 15, and 14 hires respectively. Employees also come from top academic institutions like the University of Washington and Stanford University.
Most common previous employers of Xaira Therapeutics staff: Genentech (18), Interline Therapeutics (15), Bristol Myers Squibb (14), University of Washington (14), Stanford University (11), University of California, San Francisco (10). Former Xaira Therapeutics employees most often moved to Prometheus (5), Amazon (4), Illumina (2), Golgi (1), Merck KGaA, Darmstadt, Germany (1), NVIDIA (1).
Alumni worth knowing
Hiring now
Web traffic
Traffic mix: 35% direct, 42% search, 12% social, 0% paid.
What this company is made of
Most common skills at Xaira Therapeutics: Molecular Biology (78), Research Skills (61), Python (Programming Language) (58), Biochemistry (53), Data Analysis (51), Cell Culture (51), Biotechnology (44), Life Sciences (43).
Where the team actually sits
Xaira Therapeutics people are concentrated in California, United States (67), San Francisco Bay Area (36), Washington, United States (21), United States (11).
Search footprint
Xaira Therapeutics attracts about 1,395 organic search visits a month, traffic worth roughly $1K a month if bought through ads. It gained 58 ranking keywords and lost 33 in the last period.
What employees say
- Compensation
- 3.60 / 5
- Career opportunities
- 3.10 / 5
- Senior management
- 3.00 / 5
- Work-life balance
- 3.10 / 5
Frequently asked
Xaira Therapeutics has 218 employees as of September 2026.
Xaira Therapeutics has raised $1.0B in total, most recently a Series A round in April 2024.
Xaira Therapeutics was founded in 2023 by Bo Wang, Vik Bajaj, Hetu K, Philip Leung, Justas Dauparas, PhD.
Marc Tessier-Lavigne (Chief Executive Officer) sits at the top of Xaira Therapeutics's reporting structure, with 15 direct reports.
The most common previous employers of current Xaira Therapeutics staff are Genentech (18 people), Interline Therapeutics (15 people), Bristol Myers Squibb (14 people).
Former Xaira Therapeutics employees most often move to Prometheus (5), Amazon (4), Illumina (2).
Xaira Therapeutics attracts about 1,395 organic search visits a month, worth roughly $1K a month in equivalent ad spend.
The most common skills among Xaira Therapeutics staff are Molecular Biology, Research Skills, Python (Programming Language), Biochemistry, Data Analysis.
Xaira Therapeutics staff are concentrated in California, United States (67), San Francisco Bay Area (36), Washington, United States (21).
Xaira Therapeutics has about 93 people in Research, up 7% over the past year, as of September 2026.
Xaira Therapeutics has about 38 people in Engineering, up 73% over the past year, as of September 2026.
Computed from 163 current and 64 former Xaira Therapeutics profiles, as of September 2026. Source: Crustdata.
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