Ragnar Sass is the Co-founder of Estonia’s fifth unicorn, Pipedrive CRM, which exited to Vista Equity in 2020. He is an active angel investor with a portfolio of 50+ companies. Ragnar is also the founder of Help99, an NGO that has delivered aid to over 200 Ukrainian military units.

Currently, he is building the Defence Tech ecosystem with Darkstar, focusing on bringing combat-proven products from Ukraine to global markets.