Jassim is a dedicated researcher and practitioner in Stormwater Management, Sustainable Drainage Design, Water Conservation technologies, and Integrated Water Engineering.  His journey includes active R&D participation, debates, forums, and technical reviews. He has delivered seminars on Flood Resilient Design, including Green Roofs, Blue Roofs, and SUDS. His expertise also covers Water Conservation, Ecological Wastewater Treatment, Rainwater Harvesting, Greywater recycling, and Rain Gardens.