some guy calling my job claiming to be from american express, asking for the controller.

Called back, it's the main number for American Express in New York

This is a legit AmEx number.  If you get a call from them it's likely a mistake.

ADVISORY

Readers:
Be Safe, Not Sorry
Rather than believe the posts in this thread, or the words of an anonymous caller,
if you are notified of a problem with your card,

CALL THE NUMBER ON THE BACK OF YOUR CARD

Even though the number in this thread might belong to your card issuer, the scammers can easily spoof what appears on your CallerID, and attempt to get your precious ID and card data!

Be Safe, Not Sorry!

CALL THE NUMBER ON THE BACK OF YOUR CARD ~~~~~~~~

Got a call back from this # it's legitimate, I reached out to Marina VP of marketing for AMEX and she called back.