Matthew Glotzbach is the CEO of Quizlet, the learning app that uses flashcards, games and tests to teach thousands of subjects. He joined Quizlet from 12 years at Google, where he was most recently VP Product Management at YouTube. Prior to YouTube, he was on the founding team of Google Apps and lead product for Google Apps for Education. Matt studied mechanical engineering at Cornell and grew up in Fort Wayne, Indiana. We asked him how he runs his company and his life.