Lewis joined in February 2008 as a portfolio manager on the Global Equities team. In addition to his role as portfolio manager, Lewis is responsible for designing and implementing many of the team's systems. In particular, he created our proprietary risk-modelling system, MultiFRAME, which is used across all investment teams based in London. He joined from Aon Consulting, where he worked as an actuarial consultant specialising in providing valuations and asset-liability modelling to a range of corporate and institutional clients. Lewis graduated from the University of Warwick in 2003 with a Master's degree in Mathematics, Operational Research, Statistics and Economics and subsequently qua