Elena Grewal, former Head of Data Science at Airbnb, political consultant, professor at Yale, and an ice cream shop owner, discusses her impressive career in building data teams. She shares how she scaled Airbnb’s data function and why trust is essential for effective teamwork. Elena explains applying data science in diverse fields, including politics and running an ice cream business. She emphasizes the importance of experimentation in decision-making and critical thinking for future leaders, illustrating that data principles are universal, from tech to ice cream.