Michael Moritz's office looks more like a monk's cell than the hang-out of one of Silicon Valley's most successful venture capitalists.

There are none of the chunky Lucite blocks that financiers like to amass, totems of past deals to ward off evil stockmarket spirits. No framed prospectuses of blockbuster IPOs - companies like Google, Yahoo and PayPal, whose founders must all have sat here in Sand Hill, home to Silicon Valley venture capital groups, at some point, pitching their internet dreams.