The German entrepreneur previously founded the award-winning to-do app Wunderlist. After it was acquired by Microsoft in 2015, he spent two years as Microsoft's Entrepreneur in Residence. He is an active investor and advisor in a number of technology businesses, such as Lilium, Notion,Onefootball, Neufund, Freigeist and more. Prior to his career in business, Christian studied Mathematics and Computer Science as well as International Management in Berlin. Christian received the Forbes 30 under 30 award in 2014 and 2016. He hones a strong passion for delightful user experiences and innovative design and technology.