Taiwo Ogunwumi

Deltares

Taiwo Ogunwumi is an internationally recognized flood risk and disaster management specialist with expertise in geospatial science, climate resilience, and community-centered hazard mitigation. He currently works as a Flood Risk & Disaster Management Specialist at Deltares, a leading independent institute for applied research in water and subsurface systems. In this role, he supports governments, humanitarian agencies, and international partners with data-driven solutions that reduce vulnerability and strengthen resilience to water-related hazards across Africa, Asia, and Europe.

Ogunwumi’s work bridges cutting-edge science and practical implementation. He leverages satellite data, advanced flood modelling, Geographic Information Systems-based hazard mapping, and Earth observation technologies to generate actionable insights for disaster preparedness, response, and recovery. His portfolio includes flood risk assessments and resilience planning initiatives in Nigeria, Ghana, South Sudan, São Tomé & Príncipe, Madagascar, India, Malaysia, Pakistan, Ethiopia, and Germany.

As the founder and senior project lead of the Geohazards Risk Mapping Initiative (GRMI), a youth-led nonprofit focused on flood risk reduction in Nigeria, Ogunwumi led the development of real-time flood reporting platforms and interactive flood susceptibility maps. These innovations strengthened early warning systems, enhanced disaster preparedness, and informed emergency response strategies across multiple states. He also led and mentored multidisciplinary teams of geospatial volunteers, fostering local capacity in disaster risk reduction.

Beyond technical implementation, Ogunwumi contributes to international policy and capacity-building efforts. He has engaged in global disaster risk reduction dialogues, promoted youth participation under frameworks such as the Sendai Framework, and supported training programs for professionals and students in flood risk analysis and geospatial modeling. Through research, innovation, and inclusive engagement, Ogunwumi remains committed to advancing resilient communities and evidence-based solutions in the face of escalating climate-related risks.