Thérèse Mahon is a senior international development programs manager and leader with 18 years of experience in the WASH sector focusing on South Asia. She is responsible for program quality assurance, supporting capacity development of country program teams and partners, and leading regional learning and influencing initiatives with WaterAid and in collaboration with regional partners and research institutes. Thérèse has worked at WaterAid since 2002, which includes roles as interim Country Director for Nepal and interim Regional Director for South Asia, and secondment as global WASH in Education and Menstrual Health Specialist to strategically develop WaterAid’s work in these areas. She is the global lead for menstrual hygiene at WaterAid and has made significant contributions over the past ten years to building the evidence base, particularly more rigorous documentation of development practice relating to menstrual health and hygiene.