Dennis has been living and working with anthroposophy since 1976. His wife, Marianne, was studying teacher training from 1976-77 at the Detroit Waldorf Institute, where Dennis attended many lectures with Hans Gebert and Werner Glas. During this time Dennis studied saxophone with Bruce Weinberger, then the music teacher at the Detroit Waldorf School, and with Sigurd Rascher, world renowned saxophonist and a student at the first Waldorf school in Stuttgart, Germany.

He spent five years (1988-94) as a farmer and houseparent at Camphill Village Minnesota, where he developed a deep appreciation of biodynamic agriculture and the rhythm of the festivals through the seasons. He is currently a gardener and bee-keeper. He has also been active as a board member and parent in Waldorf schools.  Dennis works professionally as a database programmer for a dairy processing company in St Paul, Minnesota.