[2] From 1705-13 Schultheiss focused on renovating Königsberg Castle, especially an east wing which was alternately referred to as the Friedrichsbau, the Unfriedbau, and the Unfriedflügel.
[7] After the coronation of King Frederick William I of Prussia in 1713, Schultheiss took the position of building director in Berlin.
[1] The king, who was focused on the recovery of East Prussia after the great plague of 1708-11, tasked Schultheiss with designing the new towns built in the province.
He became the most important architectural official in East Prussia and a member of the Kriegs- und Domänenkammer after the king's reorganization of government in 1723.
1730 he possibly worked on the family grave of Friedrich von der Groeben at the church of Groß Schwansfeld.