Riaz H Khan has been serving in teaching, environmental, and health research for over ten years. He is experienced in quantitative studies using advanced statistical techniques, numerical groundwater flow and contaminant transport modeling, and Geospatial analysis of hydrological, hydrogeochemical, socio-economic, and public health data. Khan worked as a hydrogeological expert, groundwater modeller, geologist, and environmental specialist in multidisciplinary teams of scientists, engineers, and public health researchers for feasibility studies, Initial environmental examinations, and environmental impact assessments in nationally significant projects.