In humanitarian crises, women and girls are disproportionately affected. But far from being passive victims, women are amongst the first responders these emergencies, bringing vital skills and knowledge to help save lives and livelihoods. Louisiane Nazaire is one of these women. When Hurricane Matthew struck Haiti in October 2016, she and other members of a women-led cooperative leapt into action. Louisiane explains why women's leadership is essential in emergencies.