John Young Campbell (born May 17, 1958) is a British-American economist who serves as the Morton L. and Carole S. Olshan Professor of Economics at Harvard University, where he has taught since 1994.
[2] In 1994, he became the Otto Eckstein Professor of Applied Economics at Harvard University, where he has remained ever since; he was named the Morton L. and Carole S. Olshan Professor of Economics in 2005, and held a Harvard College Professorship from 2006 to 2011.
[2] Campbell has been a research associate at the NBER since 1987, and was elected a Fellow of the Econometric Society in 1990.
He concentrates on asset pricing, portfolio choice for long-term investors, and household finance.
He co-founded Arrowstreet Capital, a quantitative asset management company, in 1999 and co-directed the firm's research through 2023.