John Ameriks



John Ameriks is a principal and head of active equity in Vanguard Equity Investment Group. His team manages or co-manages Vanguard active stock funds using quantitative methods. Mr. Ameriks previously served as head of investment counseling and research, developing the firm's advice methodology and conducting investment research. His published research includes articles in The American Economic Review, The Quarterly Journal of Economics, and The Journal of Finance. He is coeditor, with Olivia Mitchell of the Wharton School of the University of Pennsylvania, of Recalibrating Retirement Spending and Saving.

Mr. Ameriks' current research interests include quantitative equity investment strategies, behavioral economics, issues in retirement  finance, and solutions-oriented single-fund investments.

Before joining Vanguard in 2003, Mr. Ameriks was a senior research fellow at the TIAA-CREF Institute.