Christoph Simpfendörfer was a farmer at Reyerhof, Stuttgart, Germany from 1986 to 2018. Since 1990 the Reyerhof was owned by a company with more than 50 families as shareholders. In 2018 a cooperative was founded to enable the succession of the next generation. For many years Christoph Simpfendörfer was chairman of the German Demeter Association. After ten years as a board member of Demeter-International e.V., he began his work as the first General Secretary in 2016.