- Domain knowledge—but, very specifically, knowledge of how to navigate the legal and business environment of that domain, especially all the "secret" stuff. If they don't know what X or Y is called or how to do some procedure that only low-on-the-totem-pole people do, that's fine—if they've got the rest of this, then they'll surely know people we can ask/interview for those parts.
- At least enough sales skills to get the folks from the first point to fund us OR to make some useful introductions OR to grease some wheels.