
Nellie Wartoft is a Swedish technology entrepreneur and the CEO and founder of Tigerhall, a Change Activation Platform that helps Fortune 500 companies drive organizational transformation at scale using AI and social learning. She moved from a small Swedish village to Singapore at 18 with a one-way ticket, spent 4.5 years as a top billing recruiter at Michael Page, then built Tigerhall from scratch into a platform operating across 32 countries, backed by Sequoia Capital and Monk's Hill Ventures with over $10 million in venture capital. Before her tech career she was a Swedish national champion in skeet shooting and air rifle.
Quizlet is an American education technology company that built the world's most-used flashcard app and is now retooling itself as an AI-powered study coach. Founded in 2005 by a 15-year-old high schooler studying for a French final, it has grown into a platform used by tens of millions of students each month across more than 130 countries.