David Donabedian
Executive Partner @ Longwood Fund
Boston, United States
David Donabedian is a Series A investor at Longwood Fund in Boston focused on Biotechnology and Life Science. David Donabedian is based out of Boston, Massachusetts and is the Co-Founder and Senior Advisor of Newleos Therapeutics. David previously worked at DEM Biopharma as a Co-founder, Start-up CEO and Sr. Advisor. David Donabedian attended the University of Massachusetts, Lowell.
- Total investments:
- 2
- Last investment:
- Lead investor:
- 50%
Last updated:
For AI agents: llms.txt
Industries David Donabedian invests in
Stages David Donabedian invests in
Countries David Donabedian invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Biotechnology 2 (100%)
- Life Science 1 (50%)
- Neuroscience 1 (50%)
- Pharmaceutical 1 (50%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Newleos Therapeutics is a biotech startup dedicated to producing safer and more effective neuroscience medicines. | $93.5M / Series A / Feb 13, 2025 | ||
| DEM BioPharma is an immuno-oncology company that is working to eradicate cancer by targeting novel innate immune system checkpoints. | $70M / Series A / Jun 23, 2022 |
Co-Investors
About Longwood Fund
Longwood creates and invests in science-based companies that develop novel solutions for important medical problems
Longwood Fund Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Aleks Radovic-Moreno
Partner
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John McCabe
Operating Partner
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Christoph Westphal
Manager
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David Donabedian
Executive Partner
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David Donabedian, PhD
Venture Partner
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FAQ
What does David Donabedian invest in?
David Donabedian invests primarily in Biotechnology, Life Science and Neuroscience startups, most often at Series A stage. Most of the 2 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact David Donabedian?
Public channels for David Donabedian include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did David Donabedian last invest?
The most recent investment recorded for David Donabedian closed in Feb 2025. Shizune tracks 2 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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