Chauffeur-driven limousines, millions in stock options, golden parachutes. It's no wonder bosses' pay and perks can rankle. Here's why the best ones are worth it. … Let's start with the basics: how chief executives spend their time. Among the first researchers to give us a glimpse into the day-to-day life of the CEO was management guru Henry Mintzberg, who followed a handful of business leaders for his Ph.D. thesis at the MIT Sloan School of Management over four decades ago. He discovered that, first and foremost, CEOs go to meetings.