Noah Shackleton is the man who is both in charge of Phoenix and the Central Building of Phoenix. He is also the man who wants to wipe out all of the people outside of Phoenix.
He is first described as an old gentleman type of man with skin stretched too tight. He is completed with an expensive suit with a bowler hat.
In The Books
Noah Shackleton is first seen in the second book In The Phoenix files, Contact. He is first mentioned in the book Arrival. He seems to be always wearing a suit and a friendly, warm smile, no matter how horrible the situation is.