Andrew Dempster is Director of the Australian Centre for Space Engineering Research (ACSER) in the School of Electrical Engineering and Telecommunications at the University of New South Wales (UNSW). He has a BE and MEngSc from UNSW and a PhD from the University of Cambridge in efficient circuits for signal processing arithmetic. He was system engineer and project manager for the first GPS receiver developed in Australia when he worked for Auspace in the late 80s and has been involved in satellite navigation ever since. He spent nine years at University of Westminster in London before returning to Australia. He is leading the development of space engineering research at ACSER, and has been a leading advocate for an Australian space agency.