Cem Kansu serves as the Chief Product Officer at Duolingo, where he leads the product management team. He has been instrumental in the company's growth, having previously led Duolingo's monetization efforts and subscription products, including Super Duolingo and Duolingo Max. Kansu played a key role in building Duolingo's freemium business model, which saw the company's revenue grow from $0 to $1 billion annually.