Tim Edwards is the European head of Index Investment Strategy for S&P Dow Jones Indices. The group provides research and commentary on the entire S&P Dow Jones Indices product set, including U.S. and global equities, commodities, fixed income, and economic indices. His latest research topics include risk dimensionality, the rebalancing effect, estimating active management opportunities and benchmark selection. Prior to joining S&P Dow Jones Indices, Tim worked at Barclays Capital in both London and New York, where he had global responsibility for the “iPath” series of exchange-traded notes. Tim holds a PhD in pure mathematics from University College London.