
He founded Centro in 2001, rebuilt its software when the market moved, and renamed it Basis. Shawn Riegsecker’s long-running experiment asks whether better advertising systems and a better company can grow together.
Jules Minvielle is the co-founder and CEO of Olyzon, a Paris-born, New York-headquartered adtech company building an AI-driven decisioning and orchestration layer for connected TV (CTV) advertising. A serial entrepreneur with more than a decade in mobile and adtech, he previously co-founded Ogury and Mozoo. In May 2026 Olyzon raised a $10M Series A led by Sir Martin Sorrell's S4S Ventures to expand across the US and EMEA.