Well, I’m not really sure if I understand your problem frame-adding-wise, but if you want your logo to come up after the “from everyone at”-animation is finished, you can just drag your logo-layer a little forward in the timeline, maybe with a little transition (fade-in, or something) so that it doesn’t just suddendly pop up.
As far as adding frames goes: If you need more frames in you composition, just go to composition-> composition settings and increase you comp length.
Hope this helps! 🙂