a person who administers or organizes something

person who manages organization

a person who assesses property, income taxes etc

examiner

a treasurer (especially of a college)

treasurer

an officer in command of a military establishment

person in charge, female or male

a person who manages or controls (especially one of a group called 'the Board of Directors") the affairs of a business company

manager

a person who governs a province or (in US) a State; an apparatus that regulates the speed of ship's engine revolutions

person administrating government

a person who shows others the way, especially a person employed to point out interesting sights on a journey or visit

something that or someone who leads

an official who inspects, e.g. schools, factories; an official who examines (manufactured articles, tickets etc)

examiner

a person who leads; a business, design, country etc that has first place (in a competition, set of statistics etc)

person who guides

a person who organizes and controls a business, a professional sports person etc

person who runs organization