Nellie Wartoft is a Swedish entrepreneur who launched social learning platform Tigerhall in 2019, revolutionizing how professionals learn from one another in the real world. Under her leadership, Tigerhall has quickly gained traction with users across 32 countries, and employees in 15 markets. Nellie has raised over $10 million in venture capital from visionary investors including Sequoia Capital and Monk's Hill Ventures, and Tigerhall's customers include global Fortune500 firms in technology, FMCG, professional services, and financial services.

Prior to founding Tigerhall, Nellie was a top biller at Michael Page, where she led the Sales & Marketing practice and saw firsthand the issues in talent development and enterprise learning, and how the technology used in corporate learning led to employee dissatisfaction and disengagement in their own professional development. Nellie has been named on the 2021 Tatler Gen T list of Future Leaders and was recognized as one of the Top Entrepreneurs to Watch in 2023 by the International Business Times. She was also a Swedish National Champion in Skeet shooting in her teenage years.