chief of staff. A+
Check out this linkwww.washingtonpost.com/wp-srv/opinions/graphics/2008stafflistsalary.html
The Presidents of Armenia have been Levon Ter-Petrossian, Robert Kocharyan, and the current President as of September 2013, Serzh Sargsyan.
Chief of Staff is a proper title.
The title is 'Chief of Staff.' But one might say or write "...the Chief of Staff's responsibility."
The plural form for of the noun chief-of-staff is chiefs-of-staff.
The plural form for of the noun chief-of-staff is chiefs-of-staff.
P.V.Naik is the Chief of Air Staff
Chief of Staff and National Security Advisor
Chief of Staff: Donald Rumsfeld Deputy Chief of Staff: Dick Cheney
The answer to that is the president's chief of staff.
The current chief of staff is Rahm Emanuel.