Marissa Mayer: Wealthy exits

Top CEOs with bigger golden parachutes than that of Yahoo!'s Marissa Mayer Chief Executive Officer Marissa Mayer will have a lot to gain if she leaves the company after its $4.8-billion acquisition by Verizon is complete: $54.89 million, as of the end of the last financial year. Not bad for a CEO who spent four years trying unsuccessfully to pull off a turnaround. Yet Mayer's golden parachute - a compensation package for top executives who are terminated after a merger or acquisition - ranks just 54th among potential payouts for the 468 S&P 500 CEOs who have detailed change-in-control agreements in their proxies. Here are the 20 biggest golden parachutes.