Yes, I strongly prefer that earth-originating humane life survive and thrive and spread throughout the universe and make it much more fun and awesome to the fullest extent of what the laws of physics will allow, and I intend to use my life for this purpose.

(Though I'm curious, what kind of cooperation are you talking about, beyond what's already facilitated by entities like SIAI, LW, FHI, and the Existential Risk Reduction Career Network?)