Team

Stefan Kastenmüller

Stefan Kastenmüller is a preeminent international sports and entertainment executive with over 30 years of experience driving digital transformation across traditional and emerging media. Throughout a distinguished career, Stefan has held senior leadership and General Manager roles for global powerhouses, including Disney, WWE, Sesame Workshop, Viacom/MTV, and UFA.

Specializing in brand leadership and business model innovation across Europe, the Middle East, and Africa, Stefan is now bridging the gap between legacy entertainment and the creator-driven ecosystem. In 2013, he founded Nautilus Consulting, followed by the 2024 launch of Apollo Masters, where he manages top-tier digital talent like GothamChess to revolutionize live sporting events.