Waldemar Zeiler is the Co-Founder and CEO of the vegan and fairstainable condoms “einhorn“ @einhorn.berlin, which he founded together with Philip Siefer in 2015. Waldemar made his first start-up experience with the Berlin-based incubator „Rocket Internet“ and “Team-Europe“. In 2010 he founded the company “Digitale Seiten“, which he was working at for around three years as a CEO. While he was taking a time out in South America, he was for the first time working on ideas on sustainable projects and created the initiative “Entrepreneur’s Pledge“ in 2014. The entrepreneurs signing this pledge are promising to invest 50% of the profits they are making with sustainable business in social and environmental projects.