Comment by pests
4 hours ago
So it was a public event attended by 450 people:
https://www.mountsinai.org/about/newsroom/2012/dubin-breast-...
https://www.businessinsider.com/dubin-breast-center-benefit-...
Even names match up, but oddly the date is different.
Your links are for the inaugural (first) ball in December 2011; OP's text referred to a second annual ball in December 2012.
You are right my first is incorrect but the second does seem to be from 2012.
looks like we have it. in the end it's pretty mundane...