an employer who is petty

[rainous]

Does anyone know a good single word to describe, say, an employer who is petty and constantly nags and harasses his underlings.

"My boss is a/an ____."

(Other than "an asshole"; I am looking for something more specific.)

[tedtmc]

Does anyone know a good single word to describe, say, an employer who is petty and constantly nags and harasses his underlings.

"My boss is a/an ____."

(Other than "an asshole"; I am looking for something more specific.)

nitpicker

not a teacher