Article in ESP Barometer/PDE Baromètre with the title "Wankdorf-Visionen/Le Wankdorf, c'est quoi pour vous?". 

Ralph Ammann was working as Head of Events and Marketing at Stade de Suisse Nationalstadion AG. In this function he was the construction owner representation of the Stade de Suisse. He created the operational and safety concept of the stadium and monitored their implementation.

> Article in ESP Barometer (German only - pdf)
> Article in PDE Baromètre (French only - pdf)