Xananine Calvillo comes from the Ngiwa Indigenous peoples in Puebla, Mexico. She is the co-founder of “Jna Tsjo”, a women- and youth-led initiative dedicated to protecting traditional knowledge and native ecosystems in the Valley of Tehuacán. As a community organiser within Mexico’s youth climate movement, Xananine leads territorial engagement at Legado Gaia (LEGAIA), a climate justice collective focused on amplifying the participation of environmental defenders in climate advocacy. Internationally, she is a member of the Global Indigenous Youth Caucus and the International Indigenous Youth Forum on Climate Change (IIYFCC). Committed to safeguarding the biocultural heritage of Indigenous ancestral food systems, Xananine advocates for agroecological and biocentric food systems across Latin America. She also campaigns as a youth ambassador for the Stop Financing Factory Farming Coalition (S3F). Xananine is currently majoring in Latin American Studies at the National Autonomous University of Mexico (UNAM), where her research focuses on community-led climate justice and land defence movements in Latin America. Through her work and studies, she continues to champion participatory, community-driven responses to the climate crisis.