Originally Posted by
strife
Snail mail addressed there goes directly to corporate executives (I believe it is a public address, but in any case I received permission to post it publicly).
The AMEX agent today also mentioned that it is possible to call the NYC corporate office to lodge complaints. The number is 212-640-2000 and hours are 8 a.m. - 6 p.m. Eastern time.
Yes, the address/phone number is public if you know where to look, such as on the company's SEC filings, like this one:
https://www.sec.gov/Archives/edgar/d...s_june2019.htm