Taha AL-Washali worked for 14 years as a water professional in the Yemeni water sector. Currently, he is a program manager at MeaMeta Research. He previously worked in various water projects for governmental and international agencies including GIZ, KFW, USAID, WHO and OXFAM. He also contributed to several policies, strategies and key reports in the Yemeni water sector. Before starting his PhD study he worked as a director general of the projects department at the national water supply and sanitation authority in Yemen. Since then, his research interests focus on water supply efficiency and water loss management, with particular attention to the needs of developing countries.