The university has faced criticism for some of its sources of donations and funding, including £726,706 from the Atomic Weapons Establishment (the organisation that designs and produces the UK’s nuclear warheads) between 2017 and 2019, a donation of £150m from the US billionaire businessman Stephen A. Schwarzman in 2019, and an £80m donation from businessmen David and Simon Reuben (who were criticised for their trade with Russian aluminium factories) in 2020. The university has defended its decisions saying it "takes legal, ethical and reputational issues into consideration."