Do you believe that the CFO is the right person to protect a company’s ethical standards? Why or why not?

While many companies are hiring chief compliance or chief ethical officers, other companies are lumping ethical concerns under the umbrella of the chief financial officer, because the Sarbanes-Oxley Act requires the CFO to abide by a set of ethical standards.

Do you believe that the CFO is the right person to protect a company’s ethical standards?
Why or why not?
Who else in a company would be better positioned to protect its ethical standards?