"main manager" is a correct and usable phrase in written English.
It refers to the primary or top-level manager in a company or organization. Example: The main manager of the company was responsible for making all major decisions and overseeing the daily operations of the business.
Throughout the changes of ownership, from 1991 onwards, the station's main manager was Charlie Collins.
The White House will also designate the C.I.A. as the main manager of the government's human spying operations, even those conducted by the Pentagon and the F.B.I., the officials said.
The insurgents launched two roughly concurrent attacks—one group targeted Magomero, the plantation headquarters and home of the main manager William Jervis Livingstone and a few other white staff, while a second assaulted the plantation-owned village of Mwanje, where there were two white households.
Full of Bologna, A Taste of North Italy depends on the Main Bartender (Gimli Kefalotiri), Main Managers (Tsoutsouros Graviera and Vasto Parmigiano) and Executive Chef/Owner (Fluto Gorgonzola) for management.
"Some of the main managers of the company have to be located in emerging countries," he added.
So had one of the project's main managers, Michel Vachon, before moving to L3 Communications, a contractor often employed by the American government.
The news media are the "main managers of the oppressing state designs, manipulating society accordingly," the group said in a statement posted to the Internet.
Farmers are the main managers of rural forests and their practices vary according to a range of individual and collective factors.
The four main managers of this group have been identified and arrested on the charge of inciting and encouraging individuals to access vulgar content through the Internet.
In his years at the Defense Department, Dr. Fubini was one of the main managers, and in numerous ways the mainspring, of its $7 billion research and development program.
Dark-haired but graying at the temples, serious and discreet, Mr. Blake Mora was one of the main managers for an approach that focused on tough rhetoric, and a frontal, military-style assault on organized crime.
