Mr. Günter Herz is an Angel Investor. He is a former Chief Executive Officer of the German coffee shop and retail chain Tchibo. Guenter ran his family's Tchibo coffee business for almost 35 years, building it into a retailing force by adding other consumer goods and services. In 2003, he and sister Daniela sold their combined 40% interest in the family holding company, maxingvest for an estimated $5 billion. Guenter and Daniela make private equity investments through Mayfair, which, in 2006, acquired shipping classification company Germanischer Lloyd.