(informal) An officer with political influence; a head or chief in government, such as a sheriff, particularly where that person is Hispanic or of Mexican descent.
before he stepped forward uttering the stereotyped greeting, the Texan had put him down as the jefe or head man....
Snatching up the rifle he lit out after the jefe, who had left two jumps ahead of the smoke.
A boss in a business, company, or other organization.
2005 May, Monica Rico, EMails that Go Nowhere, Google Mail.
A jefe in this sense refers to a true boss, the leader of the household, also known as Jose Rico.