No no, I'm saying something slightly different. I'm saying there is a skill set that some human(s) at each of these places have. It's a real thing. It's almost like you are asking how to build rockets. The answer is: some people know how. Learn from them (or what they write in books).
Now their existing donors may also be helpful, but you seem to be jumping a step.
Now their existing donors may also be helpful, but you seem to be jumping a step.