Andrew Wen-Chuan Lo (Chinese: 羅聞全) (born 1960) is the Charles E. and Susan T. Harris Professor of Finance at the MIT Sloan School of Management. Lo is the author of many academic articles in finance and financial economics. He founded AlphaSimplex Group in 1999 and served as Chairman and Chief Investment Strategist until 2018 when he transitioned to his current role as Chairman Emeritus and Senior Advisor.