He is currently an Executive Associate with Oxford Economics, and from 1993 to present, has a lengthy track record of working in, or with, academic institutions, either in pure research or at the academic-industry interface.
Within industry, he has held senior positions in commercial advisory (Sydney, Auckland, Cape Town, Delhi, London) and the civil service (Auckland). David has advised governments on transport policy in Australasia, Europe, Asia, South America, and Africa, and has a broad and varied international network across R & D, consulting, government, operators, and manufacturers.