term:

Governor

governor n

: one that governs: as
a : one that exercises authority esp. over an area or group
b : an official elected or appointed to act as ruler, chief executive, or nominal head of a political unit
;specif
: the chief executive of a U.S. state
c : the managing director and usually the principal officer of an institution or organization
d : a member of a group that controls or directs an institution [the Federal Reserve System’s Board of Governors]
gov·er·nor·ship n