The most founder-focused event on Earth. Pre-register to Slush 2025: slush.org/pre-register The most founder-focused event on Earth. Coming again on Nov 19–20, 2025 in Helsinki, Finland. Pre-register now: slush.org/pre-register Slush is a not-for-profit on a mission to help and create founders to change the world. Founded in 2008, Slush annually hosts the world's leading startup event in Helsinki, Finland. Slush is run by students and recent graduates. International, High-growth, Startups, and Investors