Investment veteran Lim Chow Kiat is taking over the reins at sovereign wealth fund GIC. The appointment of seasoned investor Lim Chow Kiat as the chief executive officer of GIC comes as the Singapore sovereign wealth fund is facing a slower rate of returns.The 46-year-old will be appointed chief executive with effect from Jan 1. He is currently deputy group president and group chief investment officer, a role he took over from GIC pioneer Ng Kok Song.