Alastair McKinstry is the Environmental Activities Lead for the Irish Centre for High End Computing. He studied physics at Trinity College Dublin where he gained a B.A. Mod (Hons) in Experimental Physics, and later an MSc in laser physics for work on “Electrical Synchronisation of CD Lasers”. At ICHEC, Alastair works on performance optimisation of numerical codes, in particular climate codes, and the management of large datasets for climate use. He is currently completing a PhD part-time on Exoplanetary Climates at NUI, Galway. Since starting back in academia he has presented work at AGSI, DIAS and public outreach to local astronomy groups. He is a substitute representative for Ireland on the European COST action, and is member of RAS and IEEE.