chief of staff. A+
Check out this linkwww.washingtonpost.com/wp-srv/opinions/graphics/2008stafflistsalary.html
Chief of Staff is a proper title.
The Presidents of Armenia have been Levon Ter-Petrossian, Robert Kocharyan, and the current President as of September 2013, Serzh Sargsyan.
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
The answer to that is the president's chief of staff.
Chief of Staff: Donald Rumsfeld Deputy Chief of Staff: Dick Cheney
The current chief of staff is Rahm Emanuel.