Klaus Ludemann

Part of Outbrain, Inc., Outbrain Belgium BV is a Belgian company that provides all the content and guidance needed to learn how to advertise online. The company is based in Brussels, Belgium. The company offers webinars, videos, blogs, and guides for marketers. The company's focus is on contextual advertising, which is considered the optimal solution for effective audience targeting and engagement. The company was founded in 2007, and the CEOs are Alexander Erlmeier and Klaus Ludemann.

Ligatus GmbH develops online solutions for advertising and content promotion. It specializes in programmatic native advertising and solutions for desktop computers, tablets, and mobile devices. The company is headquartered in Cologne, Germany.