Nicolas Berggruen
Nicolas Berggruen (born 10 August 1961) is a philanthropist and investor. A dual American and German citizen, he is the founder and president of Berggruen Holdings, a private investment company and the Berggruen Institute on Governance, a think tank that works on addressing governance issues. Through the Berggruen Institute he is also a co-founder with the Huffington Post of The WorldPost, a media publication dedicated to global issues. His father created the Museum Berggruen in Berlin. The press has sometimes referred to Berggruen as "the homeless billionaire" because he lives in hotels and does not own a home.