Could you ask him to call me? http://beeg.in.net/ beeg.vom "He's very knowledgeable, he understands the system, he understands how financial markets work, he has a real network in both Wall Street and national politics," says Robert Shapiro, chairman of economic and political advisory firm Sonecon and a former under secretary of Commerce for economic affairs. However, Shapiro adds, Yellen is also very knowledgeable, and she comes with the bonus of nearly a decade of Federal Reserve experience.