About the Author
FRANCES COWELL is a specialist investment risk consultant working with R-Squared Risk Management in Paris and London. She is a founding director of the London Quant Group, a not-for-profit that provides a forum for discussion of practical issues in quantitative investment techniques.
MATTHEW LEVINS is a risk consultant with a practice that spans banks in China, Asia and Australia. Previously, he directed trading, broking, capital market and risk practices in Australia, working for leading firms.