Green technologies - going green - is bigger than the Internet. It could be the biggest economic opportunity of the 21st century.

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Forbes magazine estimates his net worth to be well over $1 billion. He had also funded the initial investments in Bloom Energy Inc. com Intuit Macromedia and Google and others.

John Doerr (born June 29 1951) is an American venture capitalist at Kleiner Perkins Caufield & Byers in Menlo Park California in Silicon Valley. 2 billion. In February 2009 Doerr was appointed as a member of the President's Economic Recovery Advisory Board to provide the president and his administration with advice and counsel in fixing America's economic downturn.