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Third generation McGraw-Hill CEO Harold McGraw III
Fortune 500 rank: 372

McGraw-Hill has been the mainstay of the McGraw family for decades. James McGraw founded the publishing outlet with John Hill in 1917 before the leadership seat was eventually given to Harold McGraw Jr. in 1974 (Sr. was never CEO). Since 1998, the CEO has been his son, Harold McGraw III, who is great-grandson of founder James.

McGraw-Hill owns a number of iconic publishing outlets like J.D. Power & Associates and the financial research company (and indispensable business reporter's tool) Standard & Poor's.

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Last updated May 05 2011: 2:49 PM ET
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