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

but President Siebert
trusted me with this,
The Big Bang Theory Season 12, Episode 7

- Everybody?
- You, the PRESIDENT of the university...
The Big Bang Theory Season 2, Episode 23

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

President Siebert,
would you like to start?
The Big Bang Theory Season 12, Episode 19