Formula 1: Magnussen joins Maldini and Griezmann at fintech unicorn Flatpay Sport Business Former Formula 1 driver Kevin Magnussen has joined Paolo Maldini and Antoine Griezmann as an investor in fintech unicorn Flatpay. The former McLaren, Renault and Haas motor racer is now a shareholder in the Danish firm, which boasts more than 100,000 European clients. Its chief executive Sander Janca-Jensen said they’re “proud that someone like Kevin [...]