Goldman Sachs has appointed Farshid Asl and Matt Weir as co-heads of the Investment Strategy Group (ISG), succeeding Sharmin Mossavar-Rahmani, who is retiring. The ISG serves as the chief investment office within Goldman Sachs Wealth Management, guiding asset allocation and portfolio strategies for global private clients. Asl currently leads the group's global strategy and quantitative asset allocation, while Weir focuses on equity markets.