Dr. Najwa Al-Otaibi is an Assistant Professor of Microbiology in the Department of Biology, College of Science at Taif University, Saudi Arabia. With a strong scientific foundation built on Red Sea research and expertise in biogeochemistry, she has expanded her focus to surface freshwater ecosystems, recognizing their critical role in sustaining biodiversity, water quality, and ecosystem resilience. Her research is dedicated to addressing global water challenges, including eutrophication, pollution and climate change, by bridging marine and terrestrial perspectives to design sustainable solutions. Through innovative approaches, she advances the assessment and protection of surface water ecosystems, enhances water quality and promotes reuse strategies that contribute to long-term water security.