Guenther Steiner: On Max and Jos Verstappen, Gene Haas, Oscar Piastri and Lando Norris Sport Former Haas team principal Guenther Steiner speaks to City AM about Max Verstappen and his father Jos, Lando Norris, Oscar Piastri, Gene Haas. and more ahead of the release of his second book Unfiltered Guenther Steiner is not one to mince his words. The former Haas team principal, breakout star of Drive To Survive and [...]