Lyft: John Zimmer

Lyft co-founder John Zimmer got interested in the idea of ridesharing from a college class on green cities.
Andrew Holder for NPR
Lyft co-founder John Zimmer got interested in the idea of ridesharing from a college class on green cities.

Andrew Holder for NPR

In 2006, John Zimmer was a college student and ride-hailing wasn’t yet “a thing.” But a class on green cities got him thinking about the glut of underused cars on the road.

Eventually, he co-founded Lyft, a company that has helped make ride-hailing a fixture of American urban living.

How You Built That

An update with Kyle Ewing, who almost set fire to his living room making Terraslate, a tough waterproof paper used by the military, restaurants, and universities.

How You Built That: TerraSlate