Tianna  Arredondo is an environmental activist  and has supported environmental justice organizing at the local, statewide, national, and international level with leaders from many backgrounds. Arredondo is currently  the regional environmental justice organizer for 350.org for Hawaii and California, supporting local leaders in their leadership while creating structures and processes of accountability. Arredondo has a degree in Mass Communication and Journalism and Public Health Science from California State University, Fresno.