Paul Marsh

Professor Paul Marsh’s main areas of expertise and interest are long-run investment returns, global equity markets, smaller companies’ investment, asset management and corporate finance.

He has published articles in the Journal of Business, Journal of Finance, Journal of Financial Economics, Journal of Portfolio Management, Harvard Business Review and many other journals.

Together with Elroy Dimson and Mike Staunton, he wrote the influential investment book Triumph of the Optimists, published by Princeton University Press. Since 2000, they have also produced the annual Global Investment Returns Yearbook, which documents global asset returns since 1900. 

Paul is currently Emeritus Professor of Finance at London Business School and has been Chair of the Finance subject area, Deputy Principal, Faculty Dean, an elected Governor and Dean of the Finance Programmes (including the Masters in Finance).

Paul is Chairman of Aberforth Smaller Companies Trust. He has been a non-executive director of M&G Group and Majedie Investments, and has acted as a consultant to a wide range of financial institutions and companies.

With Elroy Dimson, he co-designed the FTSE 100 Share Index, the Numis Smaller Companies Index, and the Risk Measurement Service, which London Business School has published since 1979.