Accessibility StatementSkip Navigation Science-backed, Data-driven Process Powered by Technology to Deliver Better Outcomes for South African Investors JOHANNESBURG and OAKS, Pa., Sept. 16, 2025 /PRNewswire/ --Â SEI (NASDAQ:SEIC), a leading global provider of investment, technology, and operations solutions, and Mentenova, a South African investment management and advisory firm, today announced a strategic partnership that aims to deliver innovative, global investment solutions tailored to the needs of Sout ...