About GI Windows
GI Windows is a Healthcare company based in West Bridgewater (United States) founded in 2012. Nonsurgical endoscopic devices for GI tract anastomoses are developed. GI Windows has raised $91.98 million across 6 funding rounds from investors including Orlando Health, Rex Health Ventures and Johnson & Johnson Innovation. The company has 15 employees. GI Windows offers products and services including Flexagon and OTOLoc. Its focus areas include Life Sciences, Obesity, Medical Devices and Therapeutic Devices. Its legal entity is GI WINDOWS INC. Its competitors include ValenTx and EndObetes; 1 of its 2 listed competitors has raised funding.
Company details
GI Windows was founded in 2012 in West Bridgewater, United States, within the medical device sector focused on gastrointestinal interventions. Endoscopic delivery of slender linear devices is utilized to form compression anastomoses between sections of the small intestine. Magnets activate post-deployment, causing tissue necrosis and device expulsion, which redirects nutrient absorption to address obesity and diabetes management. Operations center on nonsurgical bypass procedures without staples or sutures.
- Headquarters West Bridgewater, United States
- Employees 15
- SectorsHealthcare
- Website giwindows.com
- Social LinkedIn
- Legal Name Gi Windows Inc
- Total Equity Funding$91.98M (USD)
in 6 rounds
- Latest Funding Round$37M (USD), Series B
Oct 2024
- InvestorsOrlando Health
& 7 more
- Employee Count15
Products & Services of GI Windows
GI Windows offers a comprehensive portfolio of products and services, including Flexagon and OTOLoc.
Device for less invasive surgical anastomoses in investigational use
Technology for investigational clinical applications in surgery
Funding Insights of GI Windows
GI Windows has successfully raised a total of $91.98M across 6 strategic funding rounds. The most recent funding activity was a Series B round of $37 million completed in October 2024. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $91.98M
- Total Rounds 6
- Last Round Series B — $37M
- First Round $2.39M
(Feb 2014)
- Investors Count 8
All 6 funding rounds of GI Windows with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Oct 2024 | $37M | Series B | – | – | |
| Jun 2022 | $14.49M | Series A | – | – | – |
| Aug 2020 | $16.4M | Series A | – | The Kennedy Trust, GT Healthcare Capital Partners | – |
| Dec 2019 | $14.6M | Series A | – | GT Healthcare Capital Partners, Sonder Capital | – |
| Nov 2017 | $9.5M | Series A | – | – | – |
| Feb 2014 | $2.39M | Debt – Conventional | – | – | – |
8 investors in total: 7 institutional and 1 angel.
Investors in GI Windows
GI Windows has secured backing from 8 investors, including institutional, venture fund, and angel investors. Prominent investors backing the company include Orlando Health, Rex Health Ventures and Johnson & Johnson Innovation.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
| rexhealthventures.com | ||||
PE firm investing in Asia | gthcap.com | Hong Kong, China | ||
Early stage medtech startups are invested in by Sonder Capital. | sondercapital.com | San Carlos, United States | ||
Chain of multispecialty hospital | 1918 | orlandohealth.com | Winter Park, United States | |
| jnjinnovation.com | ||||
Sustainable funding is provided for rheumatology and related research. | kennedytrust.org | London, United Kingdom | ||
FM Fred Moll | Indian angel investor with focus on early-stage tech startups. | unknown_22dd05da3f7f4cc39 | ||
| btck.co.uk |
Investor details for GI Windows
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
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Verified entity values are shown only after access is granted.
People of GI Windows
19 people are tracked at GI Windows (7 in leadership, 10 in board & advisors, 2 in team); the tracked headcount is 15.
| Name | Role | Group |
|---|---|---|
Peter Lukin | Chief Operating Officer | Leadership |
Jessica K. Musiak | Director of Clinical Affairs | Leadership |
Marvin Ryou | Chief Medical Officer & Co-Founder | Leadership |
Jeff Wallace | Director of Program Management | Leadership |
Brian Tinkham | President & CEO | Leadership |
Gerard Sheridan | Chief Financial Officer | Leadership |
Dustin Atkinson, MBA | Director of Market Development | Leadership |
Christopher Thompson | Director | Board & advisors |
John Cammett | Director | Board & advisors |
Peter Rogal | Chairman | Board & advisors |
David Neustaedter | Director | Board & advisors |
Frederic Moll | Director | Board & advisors |
Payson Coleman | Director | Board & advisors |
Andy Mcgibbons | Director | Board & advisors |
V. Kadir Kadhiresan | Director | Board & advisors |
Daniel T. Sheehan | Director | Board & advisors |
Alan Au | Board Observer | Board & advisors |
Annette Fagnant | Clinical & Regulatory Consultant | Team |
Heidi N. Goldsmith RN MS | Clinical Project Manager | Team |
Complete people profiles for GI Windows
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
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Timeline of GI Windows
3 dated milestones of GI Windows across 12 years, from founding to its latest funding, stage changes and deals.
- Founded GI Windows is founded.
- Funding First funding round of $2.4M.
- Funding Latest funding round, Series B, of $37.0M.
Competitors of GI Windows
GI Windows has 2 listed competitors in our database, 1 of them funded. They include ValenTx and EndObetes.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| valentx.com | 2002 | Carpinteria, United States | $48.74M | Provides an adjustable endoluminal bypass sleeve for obesity treatment. | ||
| endobetes.com | 2015 | New York, United States | Surgical access tool for obesity and diabetes treatment is developed. |
Detailed competitors of GI Windows
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Top companies in Obesity
3 companies that operate in the same segment as GI Windows (Obesity) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Satiety induction through digestable gastric balloon introduced via a swallowed capsule | 2009 | Wellesley, Massachusetts, United States | USD 174.04 M | USD 32.11 M | 137 | |
Bioinformatics platform is provided for biomarkers and drug discovery. | 2015 | Vallejo, California, United States | USD 293.9 M | USD 8.99 M | 64 | |
Disease-modifying therapies for metabolic diseases are developed. | 2008 | Berkeley, California, United States | USD 385.52 M |
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Related news about Gi Windows
Complete news archive for GI Windows
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Frequently Asked Questions about GI Windows
GI Windows was founded in 2012 and raised its 1st funding round 2 years after it was founded.
GI Windows is headquartered in West Bridgewater, United States. It is registered at West Bridgewater, Massachusetts, United States.
GI Windows is a funded company, having raised a total of $91.98M across 6 funding rounds to date. The company's 1st funding round was a Debt – Conventional of $2.39M, raised on Feb 2014.
GI Windows has 15 employees.
GI Windows was founded in 2012 in West Bridgewater, United States, within the medical device sector focused on gastrointestinal interventions. Endoscopic delivery of slender linear devices is utilized to form compression anastomoses between sections of the small intestine. Magnets activate post-deployment, causing tissue necrosis and device expulsion, which redirects nutrient absorption to address obesity and diabetes management. Operations center on nonsurgical bypass procedures without staples or sutures.
GI Windows offers Flexagon and OTOLoc.
GI Windows has 8 investors. Key investors include Orlando Health, Rex Health Ventures, Johnson & Johnson Innovation, Fred Moll, and The Kennedy Trust.
GI Windows operates through Gi Windows Inc.