Hans has been a Waldorf School High School Science teacher,biodynamic farmer,Class holder for The School of Spiritual Science, General Secretary for The Anthroposophical Society in New Zealand.

• Hans曾经在一个华德福学校任高中的科学老师，也曾经是实践生物动力农耕的农夫，还曾在一个精神科学学校中任班主任，新西兰的人智学团体的秘书长。