Start a foundation, advertise that they are passionate about cause, reach out to you to arrange an in person meeting with you or your legal representative, write a check.

But also, it’s not a donation. You are not a 501c or a 527. There is a maximum gift allowance that is tax free in the US. You have to pay taxes on top of that amount.

You should go through your bank because your bank knows the relevant tax laws and theoretically is capable and willing of countering money laundering