Oliver is the Executive Director of The New Zealand Initiative. He worked at the CIS as a Research Fellow in Economics and prior to working at the CIS, Oliver was the Chief Economist at the British think tank, Policy Exchange, London. Oliver's area of expertise is local government and federalism, urban economics, European affairs and Industry policy. He studied Business Administration and Economics at Bochum University (Germany). After graduating with a Master's Degree, he completed a PhD in Law at the universities of Bochum and Sydney (Australia) while working as a Researcher at the Institute of Commercial Law of Bonn University (Germany).