Nope!!! As an example, Olga Campbell, Merton's wife (Service Dept. fame), was the Bethel Home decorator when we were in Bethel. Her overseer was, I believe, Russell Davis, overseer of Home Projects. He worked out of the 124 Columbia Heights Bethel Office. An assistant, Tim Voytko, worked with Olga for years and she was authorized to tell him what to do to help her, but she was not his manager, Russell Davis was. Ogla often expressed how annoyed she was that she did the job of manager, but wasn't given the title and had to do Davis's bidding along with giving him the credit for her work. But George Couch, the Bethel Office Overseer, knew that Olga really ran the show, and was loyal to her.
Another example: Joy Woody, Charles's wife (Service Dept. fame) ran the Accounting Office her way for years. When we were at Bethel, her overseer was David Giglio, and I was given to understand that when Dave became overseer, Joy taught him everything she knew as she did Accounting Dept. overseers before him. However, by the time we left Bethel in Dec. 1992, Joy had lost lots of her power because her accounting methods were old fashioned and accounting experts were brought in who taught the staff better ways to keep track of WT's money.
Although these women were not given the title of overseer, they were treated with respect because of their long years of service, but it was not easy for them to always act subservient to men.
Barb