The Guy Who Knows is an intriguing character who operates behind the scenes of the social circle of Madison Avenue in New York. Despite being from a foreign country, he swiftly gained popularity for his witty remarks, brutal honesty, and ability to read between the lines. In his publication, The Untold Stories of Madison Avenue, he humorously and cynically shares the secrets and untold stories of New York Elite while hiding their identities. The Guy Who Knows is your best friend and ultimate guide to walking among the shadows of blitz and bling that is Madison Avenue.