Sandy Rattray

CIO, Man Group & Former CEO, AHL Partners LLP


I am the CEO of Man AHL, a quantitative fund manager based in London. We focus on applying technology and science to financial markets and our team of around 130 people is made up of scientists, mathematicians and engineers, many with PhDs. We run $17.9bn of assets and so AHL is a very large quantitative manager. Our customers include pension funds, sovereign wealth funds and endowments in all regions of the world. I grew up with an interest in science, maths and computers and AHL provided me with a way to apply these interests in a practical way with very quick feedback to decisions you make. I use the knowledge I gained at school and university on a daily basis and we have equations and bits of technology scattered around our office.
I grew up in many different countries around the world including Vietnam, the Sudan, Hong Kong, South Korea and Saudi Arabia. Across our team we speak more than 25 first languages, but we all write code in one language – Python. I believe that both finance and technology are forces for good in society, not always a fashionable view!
We sponsor the Oxford Man Institute at the University of Oxford, and so I have a lot of dialogue with academics, but as a business person. The institute focuses on quantitative finance, and particularly machine learning.

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