Founders: Dr. Chris Mansi (CEO), David Golan
Launched: 2016
Headquarters: San Francisco
Industry: Health care
Pictured above: Dr. Chris Mansi
Viz.ai uses artificial intelligence to reduce time to treat and improve access to care for stroke patients. The company founders, a neurosurgeon and a postdoctoral fellow in machine learning, met at Stanford. Key investors include GV, Innovation Endeavors and Kleiner Perkins.