2010 Top 200 U.S. CEOs

Biography
Before Alcoa, Mr. Kleinfeld had a 20-year career with Siemens, the global electronics and industrial conglomerate, based in the U.S. and Germany, where he served as Chief Executive Officer of Siemens AG from January 2005 to June 2007. During his tenure, Mr. Kleinfeld presided over a dramatic transformation of the company, reshaping the company's portfolio around three high-growth areas, resulting in an increase of revenues and a near doubling of market capitalization. Prior to his service on the Managing Board of Siemens AG from 2004 to January 2005, Mr. Kleinfeld was President and Chief Executive Officer of the U.S. subsidiary, Siemens Corporation, which represents the company's largest region, from 2002 to 2004 and Chief Operating Officer of Siemens Corporation from January to December 2000. Mr. Kleinfeld was born in Bremen, Germany, and educated at the University of Goettingen and University of Wuerzburg. He holds a PhD in strategic management and a master's degree in business administration.