Shennon Biotechnologies
San Francisco, US · Founded 2021 · Delaware corporation · 17 employees on LinkedIn · 6 known investors
ShennonBio develops immunotherapy technologies using microfluidic engineering, computational biology, and immunology to advance T cell engineering for cancer treatment. The company serves therapeutic development organizations working on cell and gene therapies.
Also known as Shennon Bio · Shennon Biotechnologies Inc. · ShennonBio
Founders & leadership
Shennon Biotechnologies was founded in 2021 by Li Sun, PhD.

Board

Investors · 6
Reported raises · per SEC filings
Form D private placements$7.3M disclosed across 1 of 2 rounds · 2022–2023
▶$7.3MraisedMar 2023 · 9 investors · BiotechnologyRule 506(b)
- JAMES HARDIMANDirector
- LI SUNExecutive Officer, Director
- Offering amount
- $7.3M
- Amount sold
- $7.3M
- First sale
- Dec 2022
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Company profile
researched Aug 2026Shennon Biotechnologies Inc. is a San Francisco-based biotechnology company developing precision immunotherapies for solid tumors based on functional biology measured at the single-cell level. Its TCELERATOR platform profiles more than 10 million single-cell interactions simultaneously, in contrast to conventional discovery approaches that test binders sequentially over a period of months, with the aim of identifying functional leads within a single experiment.
The company combines this screening platform with computational engineering and translational immunology in what it describes as a unified engine spanning target discovery, functional screening of binders, computational optimization, and predictive safety assessment. Its stated initial focus is next-generation T-cell engagers directed at both cell-surface and intracellular cancer targets. The company reports proprietary human tumor datasets assembled through a network of academic and clinical collaborators across 15 institutions, and operates 6,000 square feet of laboratory and office space in San Francisco near UCSF Mission Bay.
Founding story
The company was founded by Li Sun, PhD, who previously worked as a venture capital investor at Foundation Capital and Bessemer Venture Partners and holds a PhD in applied physics from Harvard University. Press coverage published in March 2023 framed the founding as a return to science by a onetime venture capitalist to focus on identifying better cancer targets more quickly.
Traction
The company raised $13 million in seed financing announced in March 2023, has established a collaborator network spanning 15 academic and clinical institutions, operates 6,000 square feet of lab and office space, and has assembled a leadership team, scientific advisory group and staff across immunology, protein science, computational biology and platform engineering.
Latest developments
The company is hiring for a CSO / VP of R&D and a Scientist / Senior Scientist in Immunology focused on T-cell engagers in San Francisco, and describes its lead programs as next-generation T-cell engagers against surface and intracellular cancer targets.
▸Full profile — market position, technology, go-to-market, geography, history
Market position
Shennon positions its approach against conventional discovery workflows that test candidate binders sequentially over months, arguing that parallel single-cell functional screening and an integrated discovery engine allow faster iteration and more selective, safer therapeutics.
Differentiation claims center on massively parallel functional screening at the single-cell level rather than sequential binder testing, integration of target discovery, screening, computational optimization and predictive safety assessment into one workflow rather than discrete steps, proprietary human tumor datasets from a 15-institution collaborator network, and the ability to address intracellular as well as surface cancer targets.
Technology
The core technology is the TCELERATOR platform, a single-cell functional screening system capable of profiling more than 10 million single-cell interactions at once to identify functional leads in one experiment. This is integrated with computational engineering, including computational optimization of binders, and translational immunology, together with predictive safety assessment, into a single discovery workflow. The company applies the platform to develop T-cell engagers against both surface and intracellular cancer targets, and its datasets derive from human tumor samples supplied by academic and clinical collaborators.
Go-to-market
The company's stated therapeutic focus is solid tumor cancers, and it works with academic and clinical collaborators across 15 institutions that contribute to its proprietary human tumor datasets. It also invites partnering inquiries.
Geography
Headquartered at 2325 3rd Street, San Francisco, CA, with 6,000 square feet of laboratory and office space near UCSF Mission Bay; all listed job openings are in San Francisco.
History
Shennon Biotechnologies emerged from stealth in March 2023, announcing a $13 million seed financing to accelerate immunotherapy target discovery using its proprietary single-cell functional screening platform. It has since built out an interdisciplinary team spanning platform engineering, computational biology, protein science and immunology, alongside a scientific and business advisory board, and is recruiting for roles including CSO / VP of R&D.
Compiled by commissioned research from 1 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Competitors · 4
by search overlapCompanies competing with Shennon Biotechnologies for the same Google search keywords, organic and paid, via search-intersection analysis.
Timeline · 1
launches, deals, and filingsCompany announced a $13M seed financing to accelerate immunotherapy target discovery with its proprietary single-cell functional screening platform, emerging from stealth.
$13M source ↗
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
Legal entities · 1
corporate structureIn the news
▸Research sources · 1
primary sources listed
- Shennon Biotechnologiesshennonbio.com · web
1 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Shennon Biotechnologies do?
- Shennon Biotechnologies develops T-cell engager immunotherapies for solid tumors using single-cell functional screening.
- Who founded Shennon Biotechnologies?
- Shennon Biotechnologies was founded by Li Sun, PhD in 2021.
- Who are Shennon Biotechnologies's investors?
- Shennon Biotechnologies's investors include AV8 Ventures, DCVC (Data Collective), Future Ventures, NextGen Venture Partners, Samos Investments, Foundation Capital.
- How much funding has Shennon Biotechnologies raised?
- Shennon Biotechnologies has disclosed $7.3M raised across 1 of its 2 known rounds.
- Where is Shennon Biotechnologies headquartered?
- Shennon Biotechnologies is headquartered in San Francisco, US.



