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Dr Wei Liu
Dr Wei Liu has a diverse range of skills and experiences in data and analytics, including manual or machine-based data collection, data quality check and assurance and database management, data integration and data mining, GIS and location intelligence, data visualization and business intelligence, artificial intelligence, machine learning and deep learning, data project management and data product development etc. He is well known in the industry for his “get things done” attitude, solution development, and implementation and delivery track record. He has a proven ability to combine, adapt and transfer leading-edge technologies from various disciplines to deliver robust, innovative and holistic solutions to his clients.
Education
PhD, Civil Engineering
National University of Singapore
Singapore
2005 - 2002
- Research Fellow at Department of Civil and Environment Engineering (2005)
- Teaching and Research Assistant at Centre of Transportation Research (2002 - 2004)
B.S., Transportation Engineering
Harbin Institute of Technology
Harbin, China
1999 - 1995
- Outstanding Graduate Award (1999)
- Vice-President of Student Society (1997 to 1998)
Industry Experience
Data Scientist
GHD
Sun Metals, Australia
2019
- Short-Term Electricity Price Time Series Modelling and Forecasting
- Machine Learning model development, validation and implementation
- Cloud Computing Web App Development, Deployment and Operation
Data Scientist
GHD
Pennsylvania Department of Transport (PennDOT), USA
2019
- Bridge AI Portal Development
- Bridge Condition Predictive Analytics with Automated Machine Learning
- Cloud Computing Web App Development, Deployment and Operation
Technical Advisor
GHD
NSW Department of Education, Australia
2018
- School Infrastructure Portfolio Capital Investment Optimisation
- Infrastruture Capital Investment Programme Optimisation
- Cloud Computing Web App Development, Deployment and Operation
Technical Advisor
GHD
Pennsylvinia Turnpike Commission, USA
2018 - 2017
- Development of Decision Trees and Pavement Performance Models in Support of the Agile EAM Implementation
- Road Condition Predictive Modelling
- Enterprise Asset Management Software Implementation and Support
Technical Advisor
GHD
Moreton Bay Regional Council, Australia
2018 - 2017
- Capital Project Prioritisation and Programme Optimisation Tool Development
- Infrastruture Capital Investment Project Prioritisation and Programme Optimisation
- Multi-Criteria Decision Analysis (MCDA)
RAMM Manager
GHD
Auckland Transport, NZ
2017 - 2012
- Road Network Asset Management
- RAMM Asset Management Database Operation and Quality Control
- Business Intelligence
Technical Advisor
GHD
Brisbane City Council (BCC), Australia
2016 - 2014
- Road Infrastructure Forecast Modelling & dTIMS Road Asset Management System Implementations
- Road Condition Predictive Modelling
- Big Data Analysis and Visualisation
Research Engineer
GHD
New Zealand Transport Agency
2015 - 2012
- NZ LTPP Data Analysis
- Big Data Analysis and Visualisation
- Data mining and Knowledge Discovery
Technical Advisor
GHD
Pennsylvania Department of Transport (PennDOT), USA
2014 - 2013
- Pavement Performance Predictive Modelling
- Big Data Analysis and Visualisation
- Enterprise Asset Management Software Implementation and Support
Technical Advisor
GHD
New Zealand Transport Agency
2013
- National Pavement Performance Reporting
- Big Data Analysis and Visualisation
- Business Intelligence
Senior Engineer
Fugro PMS
New Zealand Transport Agency and Various Local Governments
2010 - 2007
- Road Network Condition Data Collection and Analysis
- Big Data Analysis and Visualisation
- Data Quality Management
Senior Engineer
Samwoh
Land Transport Authority (LTA), Singapore
2006 - 2005
- Road Network Condition Data Survey
- Mobile Data Collection
- Data Quality Management
Senior Engineer
Samwoh
Land Transport Authority (LTA), Singapore
2006 - 2005
- Road Condition Prediction Modelling
- Enterprise Asset Management Software Implementation and Support
- Business Intelligence
I have worked in a variety of roles ranging from civil engineer to management consultant to data scientist. I like collaborative environments where I can learn from my peers.
Research Experience
Research Fellow
National University of Singapore
Singapore
2005
- R&D on Pavement Management System
- Application of Wavelet on Charaterisation of Road Surface Proiles
Research and Teaching Assistance
National University of Singapore
Singapore
2005 - 2002
- Highway and Transportation Engineering Research
- Intelligent Transport Systems
- Advanced Data Analytics
Selected Publications, Posters, and Talks
An Innovaive Footpath Pavement Management System for Auckland Transport
Proceeding of 9th International Conference on Management Pavement Assets (ICMPA9)
USA
2015
- Wei Liu and Scott Fraser
- https://vtechworks.lib.vt.edu/handle/10919/56379
The Relationship Between Traffic Loading and Environmental Factors to Low Volume Road Deterioration
Transportation Research Board, Issue Number: 2433
TRB, USA
2014
- Henning, Theunis F P; Alabaster, David; Arnold, Greg; Liu, Wei
- https://trid.trb.org/view.aspx?id=1288287
Identifying pavement deterioration by enhancing the definition of road roughness
Research Report 430
New Zealand Transport Agency
2010
- Doug Brown, Wei Liu and Theunis F P Henning
- https://www.nzta.govt.nz/resources/research/reports/430/
Variable Slip Skid Resistance Testing for Road Safety Investigation and Pavement Management
Proceedings of the 2010 GeoShanghai International Conference
ASCE, USA
2010
- Wei Liu and Bryce Tinker
- https://ascelibrary.org/doi/10.1061/41104%28377%2956
Automatic Road Sign Inventory by PMS Road Video System
2nd World Roads Conference
Singapore
2009
- Wei Liu