What gender of manager?

Answer 1

The noun 'manager' is a common gender noun, a word for a male or a female.

Examples:

The manager can authorize those changes. I will have himcall you.

The manager can authorize those changes. I will have hercall you.

Answer 2

The word manager is generally used for both genders.

A more feminine variant would be manageress.

Answer 3

Manageress