Nigel Rajaratnam Principal | Managing Director Read More PrincipalsNigel Rajaratnam31 January 2020Urban and Rural Water, Natural Resources and Environment, Infrastructure Transport and Land Use Economics, Waste Management, Pricing and Economic Regulation, Climate Change and Adaptation, Cost benefit analysis, Mapping and GIS, Forecasting, Econometric models, Nigel Rajaratnam, Resource Recovery and Waste