really go out of your way to make those in your group more productive. well, yes it is and yes you should. after all, the more productive they are, the better it is for the company, and by association, the better it is for you personally as their manager.
when i was in a management role it was never above me to do the coffee run or do the photocopying if that’s what it took to get the job done. i believe that as managers it’s our job to make our team as productive as possible. back to the topic at hand, if that means trying to schedule meetings around my 