Of course, everyone knows someone else that you should include in the earliest review of your case. Your job is to ask who those people are and to find out if the person suggesting those names can help you secure an appointment with them. Sometimes they can help get those appointments; sometimes not.
When unable to help open a door, a reviewer may be able to suggest another who can open that door. Ask about this, take good notes, and start connecting dots about who knows whom and who has influence with whom, and why this is so.