If they've got a ton of money, they're likely to have a PA, so I'd consider reaching out them with an email or letter detailing exactly what you want. It won't

If they've got a ton of money, they're likely to have a PA, so I'd consider reaching out them with an email or letter detailing exactly what you want. It won't be direct, and even the best case scenario is that the PA says "I have nothing" or "I looked and here's what I found", but it's probably the easiest way to contact someone like that.