Jaan Tallinn — Notable For: Co-founder of Skype (2003); co-founder of Centre for the Study of Existential Risk (CSER, 2012) and Future of Life Institute (FLI, 2014); primary funder of Survival and Flourishing Fund (SFF) and Lightspeed Grants; major philanthropic donor to AI safety research

NoteThe source confirms most elements: Skype co-founder (2003), CSER co-founder (2012), Future of Life Institute co-founder (no specific year given but implied to be around same period), and major philanthropic donor to AI safety research. However, the source does NOT mention: (1) Survival and Flourishing Fund (SFF), (2) Lightspeed Grants, or (3) the designation as 'primary funder' of these entities. The claim's 'as of 2026-04' date is also beyond the source's current knowledge cutoff (Wikipedia article appears current as of late 2025). The source confirms Tallinn is a 'major philanthropic donor' but does not specifically validate the SFF and Lightspeed Grants claims or the 'primary funder' characterization.