The phrase "all of the senior" is not correct as it is incomplete and lacks context.
It can be used when referring to a specific group of senior individuals, but it needs additional information to be clear.
Example: "All of the senior members of the committee will be attending the meeting."
Alternatives: "all senior members" or "all of the seniors".
Virtually all of the senior people at our company were promoted from within.
When we lost the majority in the House in 1994, all of the senior guys left.
Perhaps more important, virtually all of the senior people from all three companies are not attending Davos, either.
All of the senior science positions in the OSTP are unfilled, and it is still without a director.
All of the senior players put their money into the pot without too much fuss, but the younger members in the squad had a decision to make.
NSF will hold all of the senior personnel equally responsible for the conduct of the project and submission of the requisite project reports.
As it moved to stabilize the country at home, the new military government also lodged formal requests with the European Union and the British government to freeze the assets of all the senior officials of Mr. Mubarak's government.
I'm not even sure she knows the names of all the senior leaders in her office.
A poll this week suggested that of all the senior Labour figures, only David could threaten the Tories.
All of the seniors interviewed relished going to school on a physically handsome campus in architecturally exciting, beautifully decorated buildings housing the latest technical equipment, thanks to the deep pockets of Mrs. Ross Holst, the widow of the former Warner Communications chairman, Steven Ross.
Then he will try to go out and beat all of the seniors because he is among the most resilient players in history and likes nothing more than competing.
