Founder of SunnyBAG & Founder of Exchimp
Stefan loves to invent useful products. 2010 he started his first company called SunnyBAG. They sold more than 50.000 solar-charging units with customers from all over the world. 2017 he started a Kickstarter campaign for Virtual Reality and archived nearly USD 100.000,- funding. Beside work he loves to do outdoor activities with family and friends.