"Among the strongest critics of inflated executive pay have been Warren Buffet and the late management guru, Peter Drucker, who argued that C.E.O. salaries should peak at no more than 20 or 25 times those of the average worker. (Last year, C.E.O.'s got an average of 344 times the wages of the typical worker.)
Source: 1Nicholas D. Kristof. "Save the Fat Cats," The New York Times . 10/2/2008, A31.