YasirAl-Rumayyan, the Saudi sovereign wealth fund, signed: Yasser Cirard-Rumayan. The English signature of Saudi sovereign wealth fund YasirAl-Rumayyan is based on personal preference and writing style. YasirAl-Rumayyan, a Saudi sovereign wealth fund, is the chairman of the Saudi sovereign wealth fund PublicInvestmentFund (PIF). PIF is a sovereign wealth fund held and managed by the Saudi Arabian government, which is committed to supporting Saudi Arabia's economic diversification, investing and developing outstanding domestic and foreign enterprise projects.