The fact that the financier wishes to remain anonymous hopefully means they are just humble. Nice to see someone's wealth being put into something we can all enjoy.
Most billionaires you have never and will never hear about.
There are probably quite a few more which don't own big stakes in companies and are hidden behind financial webs.
Anyone putting their name out, for anything, risks getting someone, somewhere, really pissed off.
One sentence can start a global riot of the press get behind it.