It makes the following claims about who is in charge:
Who rules in Guam?
Guam is run by an elected governor, currently Democrat Madeleine Bordallo.
The territory has a 15-member legislature made up of senators.
Hmmm, Madeleine Mary Zeien Bordallo is the Delegate from the United States territory of Guam to the United States House of Representatives.
Here's the governor's most recent address.