Limin Zhang Quantitative Research Analyst, Structured Products Analytics Share Add Download Print Mr. Zhang is a senior vice president in the portfolio management analytics group in the Newport Beach office. He is responsible for PIMCO’s prepayment model development. Prior to joining PIMCO in 2011, he was an executive director at J.P. Morgan, developing models for a wide range of mortgage products, including agency, non-agency, U.S. and non-U.S. products. Previously, he was a vice president at Goldman Sachs for seven years and a vice president at Prudential Securities for two years, leading the prepayment modeling efforts in both firms. He has 21 years of investment experience and holds a Ph.D. in statistics from Stanford University, and an undergraduate degree in mathematics from East China Normal University in Shanghai.