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Viz.ai is a healthcare startup that uses artificial intelligence to identify early signs of stroke.[1]

Corporate history and product[edit]

The company was co-founded by David Golan and Dr. Chris Mansi in 2016,[2] after David suffered a brain malady.[3]

Viz.ai, based in San Francisco and Israel, developed the first software for synchronizing healthcare and utilize AI to reduce treatment and intervention time for those suffering from large vessel occlusions (LVOs). [4] Viz.ai allows doctors and medical professionals to upload CT angiogram images and determine whether there has been a stroke within minutes of photo processing. Once confirmed, an alert is sent to the treating physician and surgical teams.[5] During a stroke, 2 million brain cells die every minute,[6] and strokes are the number one cause of disability in the United States,[7] making timing of intervention critical.

The Viz technology is used in 300 medical facilities across the United States,[8] including those specializing in the treatment of strokes, including The Southeast Regional Stroke Center at Erlanger in University of Tennessee’s Erlanger Medical Center in Chattanooga.[9]

Approvals, Developments, and Partnerships[edit]

Viz.ai gained FDA approval, 510(k) in 2018,[10] as the first computer-based triage and notification software.[11] The company’s CT app generating color maps of the brain's blood supply and calculating time plots, has also been approved and made compatible with Viz.ai.[12]

The company partnered with Medtronic, the largest medical device company in the world,[13] to accelerate the adoption of Viz.ai’s technology in additional hospitals and reduce treatment time for stroke victims.[14] [15]

Funding and Awards[edit]

In July 2018, Viz.ai received $21 million in series A funding.[16]

In 2019, the company earned $50 million in series B funding, led by Greenoaks Capital Partners,[17] as well as Alphabet,[18] Charles River Ventures (CRV), Threshold Ventures, GV (formerly Google Ventures), and Kleiner Perkins.[19] The 2019 funding is being used to expand the technology to additional hospitals and the treatment of other diseases.[20]

Also in 2019, Viz.ai was named one of Forbe’s AI 50: America’s Most Promising AI Companies.[21]


  1. "Viz.ai raises $50 million for AI that detects early signs of stroke". VentureBeat. 2019-10-23. Retrieved 2019-11-18.
  2. "With clock ticking, Israeli AI start-up slashes stroke treatment time - Israel News - Jerusalem Post". www.jpost.com. Retrieved 2019-11-18.
  3. Orbach, Meir (2019-07-22). "Medtronic Partners With Stroke Detection Startup Viz.ai". CTECH - www.calcalistech.com. Retrieved 2019-11-18.
  4. "Medtronic inks deal for Viz.ai's stroke tech". MassDevice. Retrieved 2019-11-18.
  5. "Hillel's Tech Corner: Time isn't just money,it can be life or death - Israel News - Jerusalem Post". www.jpost.com. Retrieved 2019-11-18.
  6. "Medtronic to distribute Viz.ai's stroke-spotting AI imaging software". FierceBiotech. Retrieved 2019-11-18.
  7. "Bloomberg - Are you a robot?". www.bloomberg.com. Retrieved 2019-11-18.
  8. "Viz.ai lands $50m Series B for stroke treatment". MassDevice. Retrieved 2019-11-18.
  9. "Viz.ai artificial intelligence stroke software helping doctors win race against time". Radiology Business. Retrieved 2019-11-18.
  10. "Medtronic to distribute AI stroke detection and triage software". MedTech Dive. Retrieved 2019-11-18.
  11. Burton, Thomas M. "New Technology Promises to Speed Critical Treatment for Strokes". WSJ. Retrieved 2019-11-18.
  12. "Doctors page artificial intelligence to mitigate stroke's swift, deadly effects". www.spglobal.com. Retrieved 2019-11-18.
  13. "Medtronic teams with stroke diagnosis co Viz.ai". en.globes.co.il (in עברית). 2019-07-24. Retrieved 2019-11-18.
  14. plc, Medtronic (2019-07-22). "Medtronic Partners with Viz.ai to Accelerate Adoption of New Artificial Intelligence Software in U.S. Stroke Centers". GlobeNewswire News Room. Retrieved 2019-11-18.
  15. Condon, Alan. "Medtronic and Viz.ai collaborate on new AI technology". www.beckersspine.com. Retrieved 2019-11-18.
  16. "Viz.ai Raises $21 M in Series A Funding From Kleiner Perkins and GV to Increase Patient Access to Proven Therapies". www.businesswire.com. 2018-07-18. Retrieved 2019-11-18.
  17. "Health tech funding snapshot—Google joins $50M round in Viz.ai, Augmedix raises $19M and more". FierceHealthcare. Retrieved 2019-11-18.
  18. "Alphabet joins $50M funding for AI-powered stroke care". www.beckershospitalreview.com. Retrieved 2019-11-18.
  19. Ravet, Hagar (2019-10-23). "Stroke Detection Startup Viz.ai Raises $50 Million". CTECH - www.calcalistech.com. Retrieved 2019-11-18.
  20. "U.S.-Israeli health tech firm Viz.ai raises $50 million". www.msn.com. Retrieved 2019-11-18.
  21. D'Onfro, Jillian. "AI 50: America's Most Promising Artificial Intelligence Companies". Forbes. Retrieved 2019-11-18.

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