He was a founding member of GEN-Europe and later for three years its president. He is still active within the GEN network and was part of the initiation of the Ecovillage Design Education (EDE).
In 1984 he joined the Bauhütte community which later became ZEGG. At ZEGG he is the chief landscape designer creating fertile soil and an edible landscape on glacial sand using intuition and Permaculture knowledge. He studied Permaculture with Fukuoka in Greece and with many others in Germany. He also works as an eco builder on the multi-facetted challenges of retrofitting and insulating existing houses with renewable materials. Since 2013 he is engaged with Terra Preta soils and using all local ressources for its production.
He is motivated by a deep caring, compassion and love for people and life. Achim always seeks new edges to learn and teach. For the last 20 years he has been teaching integral Forum and awareness training in German, English and Spanish including Worldwork, "the work that reconnects" and others.
Achim has written a booklet on "Ecology and Sustainability at the ZEGG Community" where he describes the background of his ecological work and the applications at ZEGG.