I am a phd student in theoretical computer science.
Animal welfare is the best cause area.
AI Safety is not an effective cause. And even if it was, MIRI wouldn't be a good intervention.
I blog at bethzero.com.
Useful book recommendations:
James C. Scott, Seeing Like a State: How Certain Schemes to Improve the Human Condition Have Failed
Aph Ko and Syl Ko, Aphro-ism: Essays on Pop Culture, Feminism, and Black Veganism from Two Sisters
Cathy O'Neil, Weapons of Math Destruction
Fun book recommendations:
Jiří Matoušek, Thirty-three Miniatures: Mathematical and Algorithmic Applications of Linear Algebra
Andrew Rowe, Sufficiently Advanced Magic
Francis Spufford, Red Plenty