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This is the LHC: the Large Hadron Collider at CERN in Geneva. I've spent most of this century helping to build and run the grid that's processing the data now pouring out of the high energy physics experiments dotted around its 27km length.

I divide my time between LHCb, GridPP, and Manchester.

LHCb is one of the four LHC experiments at CERN, and starting in 2016 I'm deputy computing co-ordinator and distributed computing co-ordinator. These kinds of roles are about keeping things joined up and working well for the people doing the real work. My bit of real work is with LHCb's use of virtual machines and clouds.

In the UK, I'm part of the GridPP collaboration that provides a big chunk of the LHC computing infrastructure, and I'm leading the effort to simplify the operation of the Tier-2 sites that are run by universities. A big part of this is using VM and Cloud-based systems, including Vac and Vcycle which I develop for GridPP.

In Manchester, I help run the Tier-2 centre which is one of the largest university-based HEP computing facilities, and the Manchester Analysis Facility (MAF). Manchester was the first site in the UK and the third in the world to join the EU DataGrid which evolved into the Worldwide LHC Computing Grid (WLCG).

As part of all three activities, I variously represent LHCb, GridPP, or Manchester in WLCG meetings and task forces.