Double Blind Bio
doubleblindbio.co
Actively hiring
Clinical Trial Services (CRO)
Custom Software Development
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Overview
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Total raised
$5.6M
1 round on record
Latest round
$5.6M
Venture round · Dec 2025 · 10 mo ago
Team
4
US Form 5500 (plan participants) · Dec 2025
Hiring now
1
open roles
Backers
1
Define Ventures
The money's age
Fresh money
10 months since the last round · hiring slowed
Momentum
20/100
fresh money
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Tractionpublic signals, read monthly
Web presence
top 11%
of 133.2M domains by links, Common Crawl
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Venture round | Dec 2025 | $5.6M | — | SEC Form D |
Registers and programsofficial lists and records that name the company
| Legal entity | Double Blind Bio, Inc. | its site |
Founders and leadersfrom filings, registers and the company's site
David HughesExecutive Officer, DirectorSEC Form D
Shruti TibrewalaExecutive Officer, DirectorSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
Define Ventures Investors in similar startupsfunds that back the companies most like this one
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Overview
AI agents that automate site and sponsor workflows across the trial lifecycle - so trials move faster without adding headcount.
Tech stack
Technologies named in job postings at Double Blind Bio over the last 12 months, by layer, with the share of postings for each.
Technologies in use
8
Postings analysed
2
Stack modernity
69/100AI adopter
Cloud & platforms
LangSmith
Weights & Biases
Developer tools
Braintrust
AI & ML
LLM
Practices & domains
AI Agents
A/B Testing
Agentic Workflows
Human-in-the-Loop
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People
David Hughes
Executive Officer, Director
Shruti Tibrewala
Executive Officer, Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data
Growth
Hiring Momentum
25/100
Slowing
Open positions
1
0 opened / 1 closed in 30 days
Median time-to-fill
34 days
faster than 36% of the market
ATS activity
Every ~5 hours
Today
Hiring Dynamics
0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Sales
100% ▼
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
San Francisco
San Francisco
United States
HQ
Want to work with a world class team?
1 open roles 1 posted in 90 days 10-50 est. staff
hires for Leadership
San Francisco, CA 94118
Jobs
≈ $174k – $351k per year (Estimated) • Hybrid • Full-Time • San Francisco
Weights & Biases
AI Agents
LangSmith
LLM
Braintrust
Human-in-the-Loop
Agentic Workflows
Analytics
A/B Testing
Apply
Financials
Total raised
$5.6M
Latest round
Venture - Series Unknown
Funding rounds
1
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Venture - Series Unknown | 2025 | $5.6M | Details |