George Kapernaros (Γιώργος Καπερνάρος) is the founder and CEO of YOCTO, the #1 lifecycle marketing agency for health & wellness brands, recognized as a Klaviyo 'Elite' Partner (top 0.00025% globally). Under his leadership, YOCTO has driven results for over 100 clients including Kilo Health, BetterMe, Heights, Elo Health, Miracare, and Healf; earning a spot on Klaviyo’s Partner Advisory Council along the way. Before YOCTO, George worked on some of the fastest-growing DTC brands in Europe, directly involved in 200+ eCommerce launches across multiple markets. His experience spans agency-side, in-house, and founder-level roles; from running growth strategy at a 100+ person performance brand incubator, to leading conversion content at Kilo Health, one of Europe’s top digital health companies. Outside of client work, George is the host of CEO AFTER DARK, a candid podcast where high-performing entrepreneurs share the real stories behind their rise. He’s also a Reforge member, CXL instructor, and has guest lectured at The Atomic Garden Vilnius, Lithuania’s top advertising school. George holds an MBA and has spent the last decade building and scaling revenue engines that prioritize customer lifetime value. His approach blends conversion psychology with a strong operator mindset.