According to PPC Hero, Karl is the number 3 most influential conversion expert in the world. He’s the G in AGConsult, a Belgium-based usability and conversion optimization company. He’s been making websites more successful since 2001. Always based on user research & facts.
Karl’s mission in life is to cure people that do online marketing based on gut feeling and opinions.
Karl teaches at several universities in Belgium and is a top-rated speaker at conferences all over the world. He’s also known as the UX comedian.
He works for companies such as Suzuki, TUI, Yoast and Carglass.