. >> tom: guido schulz is the global head of strategic management at afex. so the group of eight leaders say they want greece to stay in the euro zone, but are banks preparing even quietly for greece's possible exit from the europe currency? >> definitely. there are definite signs for the major banks preparing for a exit of greece from the euro zone. there are many closed door meetings going on currently, the ecb has had meetings to such regard, and the major players on the global banking landscape have had talks, can you bet on that, absolutely. >> tom: what about the threat to u.s. banks if greece should leave the monetary union, is that a big risk for u.s. investors and banks? >> i definitely would say there is a chance for knock on effects, a cap tat flight out of european institutions could also have knock on effects for american banks as such. it is probably quite prudent to keep in mind that the american banking crisis happened not so long ago, and investor confidence is still somewhat shaky. so a collapse of the european banking system would definite