The PRESIDENT of the university wants me
to meet him at his office at 8 a.m.
The Big Bang Theory Season 2, Episode 23
I'm sorry, President Siebert,
The Big Bang Theory Season 12, Episode 20
Oh, President Siebert,
The Big Bang Theory Season 5, Episode 16
Anyway, I called President Seibert...
The Big Bang Theory Season 6, Episode 9
President Seibert, listen to reason.
The Big Bang Theory Season 6, Episode 9