Cem is the Vice President of Product at Duolingo where he leads the product management, user research, and product operations functions. He previously led Duolingo’s monetization efforts, helped build the brand’s freemium business model, and grew company revenue from $0 to more than $300M a year. He spearheaded the development of Duolingo’s subscription product, Super Duolingo, which now makes up more than 75% of Duolingo’s revenue. Previously, he served on Google’s advertising business team. Cem holds a B.S. in Industrial Engineering from Bilkent University, M.Eng. in Financial Engineering from Cornell University, and an M.B.A. from the Wharton School of Business.