Frontier Bio
Founded 2018 · 9 employees on LinkedIn · 5 known investors
Frontier Bio develops tissue engineering and bioprinting technology, including fabrication of tissue-engineered blood vessels for clinical and in vitro applications. The company works at the intersection of biology and engineering in the biotech and medical device space.
Also known as Frontier Bio Corporation
Founders & leadership
Board

Investors · 5
Company profile
researched Aug 2026Frontier Bio is a tissue engineering company developing lab-grown human tissues from human cells, with a long-term aim of producing on-demand organs. Its current commercial activity centers on human-based tissue models and tissue engineering services sold to customers running research that has traditionally relied on animal studies, including drug development, medical device testing, and disease modeling. Example work includes a customer project developing a "brain-on-a-chip" model for traumatic brain injury research, and lab-grown lung microtissue that the company is working to scale to larger sizes.
The company's first planned implantable product is a tissue-engineered blood vessel intended for use as a vascular graft in cardiovascular disease and trauma, including peripheral artery disease. The approach uses a bioresorbable scaffold seeded at the bedside with the patient's own stem cells, which the body is intended to remodel into a natural blood vessel, avoiding immune rejection and long manufacturing lead times. Frontier Bio positions this against synthetic vascular grafts, which it describes as a roughly $2B market with a 65% failure rate within two years of implantation, and against autologous vessel harvesting, which is invasive, limited in supply, and lengthens surgeries. The company states its platform is also applicable to kidney, liver, heart, and lung tissues.
Founding story
CEO Eric Bennett is a biomedical engineer and serial entrepreneur who invented a blood vessel fabrication technique and previously served as CTO at Aether, where he developed low-cost 3D bioprinters; his background spans brain-machine interfacing, optogenetics, microfluidics, DNA assembly, and tissue engineering. CTO Sam Pashneh-Tala completed a PhD and fellowship at the University of Sheffield on tissue-engineered blood vessels for clinical and in vitro applications and previously ran a tissue engineering and medical device design consultancy.
Business model
Frontier Bio sells lab-grown human tissue products and tissue engineering services to organizations conducting research that would otherwise use animals, while developing implantable tissue products, beginning with vascular grafts, for future clinical use. Revenue from the tissue models and services platform is presented as funding progress toward the implantable and organ programs.
Most revenue is generated by developing tissue products and providing tissue engineering services for customers, alongside non-dilutive grant funding such as a National Science Foundation SBIR award.
Traction
The company reports approximately $5.2M in cumulative sales of tissues and tissue engineering services, an NSF SBIR grant, work with organizations including Mayo Clinic and Intuitive Surgical, and selection as a Phase 1 winner of the NIH Complement-ARIE NAMs Challenge.
Latest developments
Frontier Bio was named a Phase 1 winner of the NIH Complement-ARIE New Approach Methodologies (NAMs) Challenge and highlights recent FDA and NIH moves away from animal testing as relevant to its tissue model business. Its Reg D 506(c) offering hosted by Capital R (OpenDeal Broker LLC) had a deadline of January 27, 2025.
▸Full profile — market position, technology, go-to-market, geography, history, risks & controversies
Market position
Frontier Bio positions itself as an alternative-to-animal-testing supplier and an entrant in tissue-engineered vascular grafts, citing regulatory momentum from FDA and NIH steps to move beyond animal testing, a stated $110B market (2023) for its tissue work, and a $2B synthetic vascular graft market.
Frontier Bio emphasizes human-cell-based models as more clinically relevant than animal studies, and a living, bedside-seeded bioresorbable vascular graft designed to avoid immune rejection, the failure rates of synthetic grafts, and the surgical burden of autologous vessel harvesting.
Technology
The company builds human tissues from human cells using bioprinting and tissue engineering methods, including a blood vessel fabrication technique invented by its CEO. Its vascular graft concept is a bioresorbable scaffold seeded at the point of care with autologous stem cells that remodels in vivo into native blood vessel tissue. It has also produced lab-grown lung microtissue and organ-on-chip style models such as a brain-on-a-chip for traumatic brain injury studies.
Go-to-market
Direct commercial sales of tissue models and engineering services to research organizations, supported by collaborations with institutions including Mayo Clinic and Intuitive Surgical, participation in the Stanford-affiliated StartX accelerator, government grant funding, and an online investment offering hosted through a broker-dealer platform.
Pharmaceutical and medical device developers, hospitals and clinical research groups, universities, government organizations, and startups performing preclinical research; longer term, hospitals requiring vascular grafts and transplantable tissues.
Geography
Headquarters listed in Santa Clara, California, United States.
History
Frontier Bio is listed as founded in 2018. It commercialized human tissue models and tissue engineering services, secured an NSF SBIR grant and StartX support, and has since focused on scaling toward implantable tissue-engineered blood vessels. It was named a Phase 1 winner of the NIH Complement-ARIE NAMs Challenge and ran an investment offering that closed in January 2025.
Risks & controversies
The implantable vascular graft program is pre-commercial and subject to clinical and regulatory requirements. Offering materials note that investments in private companies are particularly risky and may result in total loss of invested capital, and that past financial results and financial projections are not guarantees of future performance.
Compiled by commissioned research from 7 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.
Non-dilutive funding · 1 SBIR/STTR award
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| National Science Foundation | Phase I | 2021 | $255.9K |
Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.
Timeline · 5
launches, deals, and filingsA Regulation D 506(c) securities offering by Frontier Bio Corporation, hosted by Capital R (OpenDeal Broker LLC) on Republic, reached its deadline on January 27, 2025 and is no longer accepting investments.
Frontier Bio is listed as a Phase 1 winner of the NIH Complement-ARIE New Approach Methodologies (NAMs) Challenge.
Frontier Bio was awarded a National Science Foundation SBIR grant of approximately $256,000 supporting its tissue engineering work.
$256K source ↗
Frontier Bio reports support from StartX, a Stanford-affiliated accelerator.
Frontier Bio states it has worked with organizations including Mayo Clinic and Intuitive Surgical, with vascular graft work conducted in collaboration with Mayo Clinic and funded in part by the NSF.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
▸Research sources · 7
primary sources listed
- Frontier Biofrontierbio.com · web
7 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Frontier Bio do?
- Frontier Bio engineers lab-grown human tissues and tissue-engineered blood vessel grafts as alternatives to animal testing and transplants.
- Who are Frontier Bio's investors?
- Frontier Bio's investors include Artesian, Asymmetry Ventures, Boutique Venture Partners, Brinc, Portfolia.

