According to a database kept by the nonprofit evaluator Charity Navigator, museum and zoo chief executive compensation has grown from an average of $192,000 in 2001 to $320,000 in 2011. Among the 53 institutions that list figures for both 2000 and 2010, pay ballooned from $249,000 to $368,000, a 50 percent increase. It mirrors the dramatic rise of CEO pay and bonuses in the corporate world and even at large non-profit organizations.

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