[Kevin]

At Central Oklahoma, we typically are at the head of all bodies of student government, except for the judiciary part (but they don't really count). This is not done without some serious collaboration with non-greeks though.

I can say this though -- our student body's Constitution was written by a member of my chapter, I'm not aware of a Senate Speaker Pro Tem (that's the dominant legislative branch), a President or Speaker of the House who hasn't been Greek.

GLOs are far and away the most active participants in general campus life events, sports, intramurals, etc.