In addition, he managed the company Beisheim Holding Schweiz AG, which invests in Internet and technology companies. Furthermore, he was the owner of the Berlin’s Beisheim Center, a high-end complex on Potsdamer Platz with apartments, office buildings, two five-star hotels, shops and cafes. As for Beisheim’s homes, they include residences in Switzerland, Paris and Germany’s Rottach-Egern. A former widower with no children, he remarried in 2008 to a new wife, Lise Evers, with whom he stayed until his death in 2013.