1. Sustainable Water Supply Systems – Design, optimisation, and management of resilient water supply infrastructure in developing and urbanising regions.

2. Sanitation and Wastewater Engineering – Development of efficient wastewater treatment and faecal sludge management solutions tailored to resource-constrained settings.

3. WASH and Public Health Nexus – Investigating the links between water, sanitation, hygiene, and health outcomes to inform integrated interventions.

4. Technology-Economic Analysis of Water and Sanitation Infrastructure – Applying economic and systems analysis to ensure cost-effective, scalable, and policy-relevant engineering solutions.

5. Innovative Low-Cost Technologies for Service Delivery – Advancing practical, affordable technologies and decision-support tools to improve water and sanitation access.