Ibbotson (born May 27, 1943 in Chicago, Illinois) is Professor in the Practice Emeritus of Finance at the Yale School of Management.
He is also chairman of Zebra Capital Management LLC, an equity investment and hedge fund.
He has written extensively on capital market returns, cost of capital, and international investment.
He is founder, advisor and former chairman of Ibbotson Associates, now a Morningstar Company.
He has written numerous books and articles including Stocks, Bonds, Bills, and Inflation with Rex Sinquefield, which serves as a standard reference for information and capital market returns.
Ibbotson conducts research on a broad range of financial topics, including popularity, liquidity, investment returns, mutual funds, international markets, portfolio management, and valuation.
He has recently published Popularity: A Bridge between Classical and Behavioral Finance and Lifetime Financial Advice.
He has also co-authored two books with Gary Brinson, Global Investing and Investment Markets.
He is a regular contributor and editorial board member to both trade and academic journals.
Ibbotson serves on numerous boards including Dimensional Fund Advisors’ funds.
He frequently speaks at universities, conferences, and other forums.
He received his bachelor's degree in mathematics from Purdue University, his MBA from Indiana University, and his PhD from the University of Chicago where he taught for more than ten years and served as executive director of the Center for Research in Security Prices.