Klaus Dennis Graudenz was born in Hamburg in 1989. While on the path to finding his career, he was able to collect many different impressions of the working world, getting to know several different industries along the way. During his apprenticeship in office communication, he chose to provide his classmates with pro bono tutoring, which made it clear to him that he wanted to study teaching and become a vocational school teacher. In order to gain professional experience with a non-profit company, Dennis began working in visitor service with the Dialoghaus in October, 2015. When it comes to his work, he especially treasures the direct customer contact and the feeling of doing something social and good in the workplace.