Karim Erja & Kees Vos

Karim Erja found his niche in 1998 while still in college. He launched an events company that later evolved into a creative agency. In 2007, he founded SeiSei with the ambition to create game-changing international brands. His work centres on building strong brands around talent, with key strengths in talent development, branding, brand partnerships, intellectual property and equity-based collaborations.

Kees Vos founded SEG in 2000. As of 2025, SEG is a leading international management agency representing more than 800 talents across football, cycling, esports and entertainment. The talents are serviced by more than 180 dedicated agents, operating from 40 countries worldwide. SEG has offices in Amsterdam, Barcelona, London, Milan and other cities around the globe.