I'm not sure exactly what you're asking.

In any case, your idea sounds great to me. There are already attempts to do this in informal conversations, and through the existential risk career network:

http://www.xrisknetwork.com/

But I'm sure we can do much better! In particular, the existential risks career network isn't terribly active and could probably be improved. If you have suggestions, you could work with FrankAdamek; it's his brainchild.