Ellen Lewis (MA, PhD) is a systems thinker who works globally, specializing in organizational change, group dynamics, gender equality and evaluation. Her systemic interventions bring into focus the complexity and interrelatedness of gender equality, environmental sustainability, habitability, and social justice. Ellen partners with academic, public, private, and community organizations. She leads projects in youth, organization, and community development using gender responsive and participatory practices in Africa, Arabian Peninsula, Asia, Europe, Latin America and the Caribbean, United Kingdom, and the United States. She was born and raised in Puerto Rico, currently lives in Northern California, USA and is bilingual in English and Spanish.