
I'm sorry, President Siebert,
The Big Bang Theory Season 12, Episode 20

into President Siebert's office.
The Big Bang Theory Season 7, Episode 24

Hello, Syfy Network,
this is your vice PRESIDENT of programming.
The Big Bang Theory Season 6, Episode 21

Hey, guys, guys, President
Siebert is headed this way.
The Big Bang Theory Season 5, Episode 16

Oh, President Siebert,
The Big Bang Theory Season 5, Episode 16