 Around 1650, he settled in Trondheim when many merchants and traders from Flensburg were taking part in the fishing trade along the Norwegian coast.He built up a considerable fortune as a merchant and ship owner.He was co-owner of Røros Copper Works and significant landowner with numerous farms in Nordland including Tjøtta estate ("Tjøttagodset") on the island Tjøtta in Alstahaug.