Ruoyu Wang is a vice president of Loomis, Sayles & Company and a senior research analyst in the custom income strategies group. He is responsible for customized portfolio construction and optimization and using a combination of quantitative and fundamental methods to help the team with security selection. Ruoyu joined Loomis Sayles in 2020 from JP Morgan, where he was a quantitative analyst, creating customized and optimized portfolios for insurance companies and pension funds, researching style premiums and factors for corporate bonds and derivatives and developing systematic relative value trade ideas based on signals. Previously, he was a quantitative analyst at State Street. Ruoyu earned an MS from Columbia University and a PhD from Duke University.