He also tried to use his contacts with the business world and the political circles of West Berlin, both closely intertwined, for profitable investments in real estate and construction projects.
Außerdem versuchte er, seine Kontakte zur Geschäftswelt und den politischen Kreisen West-Berlins, beide eng miteinander verflochten, für gewinnbringende Investitionen in Immobilien und Bauvorhaben zu nutzen.