He doesn't want his relationship with Germany to be like an executive board imposing itself on others.

BBC: Europe dithers as Greece vote looms

And the Federal Reserve Board is imposing new stress tests to determine whether leading banks can withstand a wave of sovereign- debt and bank defaults in Europe.

WSJ: Agenda | Irwin Stelzer: Euro-Zone Shark Still Has Its Appetite

Post Sarbanes-Oxley, a 2002 law imposing stringent new corporate requirements, board membership has become a tightly regulated, formal affair.

FORBES: How to Become a Corporate Board Member