Conference Technical Committee

Matt HigginsMatt Higgins is President of the IGNSS Society of Australia. He is the Manager of Geodesy and Positioning in the Queensland Department of Natural Resources and Mines and represents the Department on several national committees. He is a past Vice President and an Honorary Member of the International Federation of Surveyors. He has also been a Co-Chair of a Working Group of the United Nations International Committee on GNSS. In 2013, Matt was appointed to the U.S. Position, Navigation and Timing Advisory Board, which is a Presidential committee that advises the U.S. Government on GPS-related policy, planning, program management and funding issues. In 2014, Matt was also appointed to Australia’s National Positioning Infrastructure Advisory Board. Matt is also a Fellow of the Surveying and Spatial Sciences Institute of Australia (SSSI), a member of the Positioning Programme Board for Australia’s Cooperative Research Centre for Spatial Information and an Adjunct Professor at the Queensland University of Technology.

Allison KealyAllison Kealy (Technical Chair) is a Professor (Geospatial Science) in the School of Science at RMIT University. Allison is currently vice president of the International Association of Geodesy, Commission 4 (Positioning and Applications) and co-chair of the International Federation of Surveying (FIG) Working Group 5.5 on Multi-Sensor Systems. Allison is a technical representative to the Institute of Navigation (US) and is on the Editorial boards of the Journal of Navigation, UK, Journal of Applied Geodesy and the Journal of GPS Solutions. Allison’s current research interests include wireless sensor networks, sensor fusion and estimation theory, high precision GNSS, collaborative positioning for intelligent transportation systems and GNSS quality assessment.

Andrew DempsterAndrew Dempster is Director of the Australian Centre for Space Engineering Research (ACSER) and a Professor 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 University of Cambridge in efficient circuits for signal processing arithmetic. In the late 80s he was system engineer and project manager for the first GPS receiver developed in Australia and has been involved in satellite navigation ever since.His current research interests are in satellite navigation receiver design and signal processing, areas where he has seven patents, and new location technologies. He is leading the development of space engineering research at ACSER.

Chris RizosChris Rizos is Professor of Geodesy and Navigation at the University of New South Wales, Sydney, Australia. Chris is the immediate past president of the International Association of Geodesy (IAG), a member of the Governing Board of the International GNSS Service (IGS), and co-chair of the Multi-GNSS Asia Steering Committee. Chris is a Fellow of the IAG, a Fellow and current president of the Australian Institute of Navigation, and a Fellow of the U.S. Institute of Navigation. Chris has been researching the technology and applications of GPS and other navigation/positioning systems since 1985.

Craig RobertsCraig Roberts bridges the gap between teaching and research, industry and academia of modern high technology, precision GNSS positioning and its practical application. Expanding from a humble degree in Surveying, pioneering experiences in international field work using GPS for tectonic studies and a PhD in GPS volcano monitoring have ignited his passion for teaching and sharing expertise in this growing field. Current research interests include the implications of datum modernisation and leveraging multi-GNSS CORS infrastructure for practical application to surveying and geospatial engineering as well as applications of UAVs for high precision mapping.

Martin NixMartin Nix is the CEO and Managing Director of Position Partners. He is a Graduate of the Australian Institute of Company Directors and has a Masters of Surveying (GIS), UNSW. After practising as a registered surveyor, he had management positions with Leica Geosystems in Switzerland, USA and Australia over 25 years. He Co-Chairs the Space Community of Interest established by the Attorney General to assess risks related to the use of satellites. He holds other board and advisory roles including the School of Surveying UNSW and the National Positioning Infrastructure Advisory Board. 

Liz SmithLiz Smith completed a Bachelor of Science with honours majoring in Physics at the University of Newcastle in 2009. She worked at the Bureau of Meteorology as part of the Ionospheric Prediction Service in 2010 to categorise space weather effects on the Australian power grid. She joined DST Group in 2011 as an Electronic Warfare Specialist. From 2011 to 2017 Liz and her team provided advice to Defence in the area of position, navigation and timing. In early 2017 she took up new position to lead a land autonomy program to develop an autonomous vehicle for the Australian Army. She is currently studying a PhD part time with the University of New South Wales focusing on the integrity of sensors in an autonomous vehicle.

Stavros MelachroinosDr. Stavros Melachroinos is a senior GNSS positioning and orbit expert. He  holds a Bachelors in Surveying and Engineering and a  PhD in high frequency positioning of terrestrial and maritime GNSS networks . Since 2004 he has worked on various projects with Institute Geographique National on the fusion of GPS and Inertial sensors,  CNES (French Space agency) on precise positioning, Thales on the EGNOS SBAS system, NASA Goddard Space Flight center on precise orbit determination with GNSS, and since 2014, with Geoscience Australia on positioning.  

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