TellBio
Andover, US · Founded 2019 · Delaware corporation
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TellBio is a biotechnology company founded by leading cancer researchers and clinicians from Harvard Medical School and Massachusetts General Hospital. The company focuses on oncology research and development, leveraging circulating tumor cell (CTC) technology and biomedical engineering.
Founders & leadership
TellBio was founded in 2019 by Daniel Haber, Mehmet Toner, David Ting, Shyamala Maheswaran, and Ravi Kapur.


Board
Reported raises · per SEC filings
Form D private placements$11M disclosed across 5 rounds · 2019–2024
▶$1MraisedMar 2026 · 6 investors · BiotechnologyRule 506(b)
- GARY CROCKERDirector
- RICHARD PETERSExecutive Officer, Director
- BERNARD PETERSDirector
- Offering amount
- $1M
- Amount sold
- $1M
- First sale
- Sep 2024
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$1.2MraisedJul 2024 · 11 investors · BiotechnologyRule 506(b)
- RICHARD PETERSDirector
- BERNARD PETERSDirector
- PRITESH GANDHIExecutive Officer, Director
- GARY CROCKERDirector
- Offering amount
- $1.2M
- Amount sold
- $1.2M
- First sale
- Jun 2024
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
▶$2.3MraisedMar 2023 · 23 investors · BiotechnologyRule 506(b)
- Richard PetersDirector
- Pritesh GandhiExecutive Officer, Director
- Gary CrockerDirector
- Bernard PetersDirector
- Offering amount
- $2.5M
- Amount sold
- $2.3M
- First sale
- Feb 2023
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
▶$5MraisedMar 2021 · 29 investors · BiotechnologyRule 506(b)
- Richard PetersExecutive Officer, Director
- Offering amount
- $5M
- Amount sold
- $5M
- First sale
- Mar 2021
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
▶$1.5MraisedOct 2019 · 19 investors · BiotechnologyRule 506(b)
- Richard PetersExecutive Officer, Director
- Offering amount
- $1.5M
- Amount sold
- $1.5M
- First sale
- Sep 2019
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
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In the news
Frequently asked questions
- What does TellBio do?
- TellBio is a biotechnology company founded by leading cancer researchers and clinicians from Harvard Medical School and Massachusetts General Hospital. The company focuses on oncology research and development, leveraging circulating tumor cell (CTC) technology and biomedical engineering.
- Who founded TellBio?
- TellBio was founded by Daniel Haber, Mehmet Toner, David Ting, Shyamala Maheswaran, Ravi Kapur in 2019.
- How much funding has TellBio raised?
- TellBio has disclosed $11M raised across 5 rounds.
- Where is TellBio headquartered?
- TellBio is headquartered in Andover, US.

