Greg has been into Effective Altruism (EA) since the early days of the movement, signing the Giving What We Can pledge in 2010. He founded CEEALAR in 2018. In addition to helping to run CEEALAR, he invests (mainly in crypto and start-ups), and studies AI Alignment (recently taking the AGI Safety Fundamentals course). Previously, he studied Astrophysics (undergrad), and Earth System Modelling (PhD), and worked on 3D printing/open source hardware (business with a view to earning to give and civilisational resilience).