Gary Collier is CTO of Man Group, with responsibility for all technology and data science across the firm. This includes the front office technology underpinning Man Group’s investment decision making, our proprietary operating platform known as ROSA, and all other systems which support the broader enterprise. He is also a member of the Man Group Executive Committee.

Gary was formerly CTO of Man Alpha Technology, and prior to this, CTO of Man AHL. He originally joined Man Group in 2001 as a software engineer, and has prior experience of developing software across finance, telecommunications and defence verticals. He started his technology journey as a hobbyist coder whilst at school, and holds a Masters in Physics and Theoretical Physics from the University of Cambridge.