One good list of projects: https://forum.effectivealtruism.org/posts/u5JesqQ3jdLENXBtB/...
In any case, my 'alpha' was something like, I'm a software engineer and engineering manager willing to work in an academic environment well below market wages, in a situation where the organization needed someone with my skills.
The main problem I see with AI risk is not that it is a small problem, or that there are too many people working on it, but that we don't really know how to make progress and historical attempts maybe have ended up making things worse.
Still, I think gradys' point above is a good one: the fraction of people working on making AI more capable is far far larger than the fraction working on making sure it reliably does what we want it to do even in unusual situations.