We talked to Nina Kaiser, co-founder of the 4GAMECHANGERS Festival - about the turbulent beginnings in 2016, her very personal festival highlights as well as challenges that had to be overcome.

"Germany's next Topmodel - by Heidi Klum" has long since been more than just classic TV. In recent years, the TV format has developed into a multimedia brand across all platforms.

For more than a decade, ProSiebenSat.1 has supported growth companies with unique investment models, thus creating value for the entire Group at the same time.