Everybody thinks they've had a bad boss.
But few have had one whose mere presence can send people scrambling back to their desks to work through the night.
Some of these people have crossed the line at times. Many others are or were at the top of their fields.
Whether such tactics are worth the results is something that's always up for debate.
Weinstein Company Co-Chairman Harvey Weinstein
Weinstein's outbursts of rage are legendary in Hollywood and beyond. He once put a reporter of the New York Observer in a headlock before throwing them out of a party.
He's described in a New York Magazine profile as "unbelievably hard on staff." Continuous battles with Disney executive Michael Eisner saw him leave his company, Miramax, in 2005.
Zynga CEO Mark Pincus
Zynga is not all fun and games. Dealbook's Evelyn Ruseli describes a culture where Pincus obsessively tracks analytics for all staff, sets harsh deadlines, and aggressively pushes his employees to meet them.
That management style fits the personality of Mr. Pincus, who is described by analyst Michael Pachter as being "driven to the point of a madman."
Oracle CEO Larry Ellison
Ellison is well-known for his lavish lifestyle. He's also an incredibly aggressive and ruthless executive. A biographer described him as "a modern day Genghis Kahn".
He's known for his incredibly aggressive and hostile takeover maneuvers. During the takeover of PeopleSoft Ellison pre-announced 5,000 firings and repeatedly insulted the then-CEO.
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