How can I constrict this sentence "The manager of the representative"? I mean about something like this: "representative's manager"

The full sentence is:

The manager of the representative said to us "Now, We are going to new way".

How can I construct this sentence "The manager of the representative"? I mean about something like this: "representative's manager"

The full sentence is:

The manager of the representative said to us "Now, We are going to new way".