4GAMECHANGERS TV, the future magazine: The topic today, Wednesday - Hey, off to the south - but really. How to get to the South Pole with solar power and recycled plastic. In the 4Gamechangers talk, one who very rarely gives interviews: Markus Braun, CEO of fintech unicorn Wirecard, talks to Isabella Richtar about profits, losses, competition - and also answers personal questions. And: how women's power is revolutionizing networking at conferences.