https://www.marriott.com/hotels/travel/nycxr-the-st-regis-new-york/
Digging into st regis events from 2010. Not succesfully, bit found a rather interesting article…
Tavistock
https://www.prnewswire.com/news-releases/tavistock-group-acquires-the-st-regis-atlanta-116358304.html