As AI rapidly transforms the creator economy, Callo founder and CEO Fassa Sar is betting on something increasingly rare: human connection. In a candid conversation with CNBC, Sar reflects on her entrepreneurial journey building Callo, a digital platform designed to connect creatives, producers, and collaborators around the world in a landscape long defined by gatekeepers and fragmented networks. She opens up about the challenges of start-up life, navigating uncertainty in the age of AI, and why she believes relationships—not algorithms—will remain the most valuable currency in creative work.