Dino Medardo Rosso studied 16 languages and he speaks five or six, depending on the day. He moved to San Francisco about a decade ago, and got work as a bicycle tour guide and then, a high school teacher.

In this podcast, Dino tells the story of how a restaurant owner approached him seeking to solve the problem of her kitchen staff not being able to communicate effectively with the front-of-house workers. This effectively spawned Dino's business—Lingo.

Check back Thursday, when Dino will share how Lingo expanded to a point where he's working with grocery stores and even the SFFD to bridge the language gap between various groups of people.

Film photography by Michelle Kilfeather