Prior to joining Magnetar in 2007, Rahim served as the Chief Knowledge Officer for Barclays Global Investors, a quantitative investment firm and one of the largest asset managers in the world, where he led the firm’s data and information management organization. From 2001 to 2005, Rahim was the Head of Equities Quantitative Research for Citadel, where he supported the merger arbitrage, event driven arbitrage and fundamental long short strategies.

Previously, as Global Head of Equities Technology at NatWest Markets, Rahim oversaw the firm’s operations, finance, trading and risk technology systems. After the sale of NatWest Equities to Deutsche Bank, he became the Head of Quantitative Strategies Group where he developed proprietary trading models using statistical arbitrage.

Rahim began his career with Morgan Stanley & Co. in the Global Equity Derivatives Group, where he developed and implemented mathematical models for derivative analytics and risk management.

Rahim holds a doctorate in theoretical physics from Stanford University and a Bachelor of Science degree in physics from the University of California, Los Angeles.