Kathleen King von Alvensleben is an American-German architect, charity fundraiser and member of the House of Alvensleben, who has realised several major construction projects in Berlin, and has been an advocate and fundraiser for the reconstruction of the Berlin Palace.

Among the notable projects she undertook are the restructurings of the International Trade Center ("Internationales Handelszentrum") and the Kosmos Movie Theater.

Von Alvensleben was particularly involved with raising funds from wealthy American donors.

Over the course of years several charity dinners were organized mainly in New York and other parts of the United States.

[4] Her activities received support from multiple prominent personalities, including former US-president George W. Bush, former Secretary of State Henry Kissinger, Nobel Prize laureate Günter Blobel and former US-ambassador to Germany John B.