http://www.salon.com/entertainment/tv/the_office/?story=/ent/tv/feature/2011/05/18/the_office_catherine_tate

"It would be smarter to go with a versatile unknown quantity like Tate," says Matt Zoller Seitz. "Plus, putting a woman at the center of the action might kick 'The Office' out of the male self-pity groove that it settled into during later seasons."

http://www.salon.com/entertainment/tv/the_office/?story=/ent/tv/feature/2011/05/18/the_office_catherine_tate

"It would be smarter to go with a versatile unknown quantity like Tate," says Matt Zoller Seitz. "Plus, putting a woman at the center of the action might kick 'The Office' out of the male self-pity groove that it settled into during later seasons."

While I agree that a female boss would be an interesting idea, having seen Catherine Tate in other works...let's just say I'd go with someone else as a permanent choice.