OpenEvidence is a leading medical search and AI application platform widely utilized by verified U.S. clinicians. The company recently launched OpenEvidence DeepConsult™, an AI agent specifically designed to support physicians in their practice. Based in Cambridge, Massachusetts, OpenEvidence focuses on enhancing clinical decision-making through advanced artificial intelligence solutions.
Estimated Valuation
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Leadership & Board
Key Executives
- Co-Founder and CTO
- Zachary Ziegler
- Founder
- Daniel Nadler
- Current Number of Employees
- 146
- Current LinkedIn Followers
- 61,180
Latest Estimated Valuation
- Estimated Valuation
- $12B
- Total Amount Raised
- $560M
- Total Funding Rounds
- 3
- Latest Funding Amount
- $250M
- Latest Funding Round
- Series D
- Post-Money Valuation
- $12B
Company Momentum Positive
OpenEvidence LinkedIn following is increasing, signaling rising market interest, while its workforce is growing, indicating business expansion.
Employee Trend
OpenEvidence had 146 employees as of October 26, 2026. The number of employees increased by 0 (0.00%) week-over-week.
Social Trend
OpenEvidence had 61,180 followers as of October 26, 2026. The number of followers increased by 972 (1.61%) week-over-week.
Funding Round
| Funding Date | Funding Round | Amount Raised | Post-Money Valuation |
|---|---|---|---|
| Jan 21, 2026 | Series D | $250.00M | $12.00B |
| Jul 15, 2025 | Series B | $210.00M | $3.50B |
| Feb 20, 2025 | Series A | $100.00M | $1.00B |
Investors
| Investor Name | Funding Round |
|---|---|
| Kleiner Perkins | Series D |
| Google Ventures | Series D |
| Craft Ventures | Series D |
| Sequoia | Series D |
| Mayo Clinic | Series D |
| Alkeon | Series D |
| NVIDIA | Series D |
| BOND | Series D |
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