Marshall Wace is one of Europe's leading hedge fund institutions with circa $15 billion under management. Marshall Wace Asset Management manages the award winning Eureka Fund, and Europe's largest TMT hedge fund Eureka Interactive. In addition Eureka Strategic Partners provides seed capital and expertise for the launching of talented new Hedge Fund Managers.
Ian was formerly Global Head of Equity and Derivative Trading at Deutsche Morgan Grenfell, Prior to joining Deutsche Morgan Grenfell in 1995, he worked for eleven years at SG Warburg & Co Ltd., where he became, at the age of twenty-five, the youngest ever Director. In 1988, he was appointed Head of European Equity Sales and, in 1993, Head of Proprietary Trading and in 1994 Head of International Trading.
In the Sunday Times Rich List 2009 ranking of the wealthiest people in the UK he was placed 274th with an estimated fortune of £200million. In June 2017, it was announced that he was the purchaser of the island Tanera Mòr of the north-west highlands of Scotland.
He is one of the founders with Paul Marshall and Arpad Busson of the children's charity Absolute Return for Kids (ARK). His brother Charles Wace is CEO of global television production company Twofour Group.