Re: Showrunner?
I think no. "Showrunner" is a type of showman, give or take gender. "Executive producer" is a type of executive. One of them makes shows, and one of them signs cheques, give or take 21st century fintech. A person can do both jobs, and in terms of credit usually does, but one you're supposed to put your soul into, and in the other, if you have one it's liable to get damaged. I'm romanticizing this a bit... a "showrunner" has overall "creative responsibility" but that doesn't guarantee that they personally do anything "creative". There's staff that that can be left to.