Esteban is the Executive Director for the US Federation of Worker Co-ops and a founding worker-owner in AORTA, a co-op whose facilitation supports organizations fighting for social justice and a solidarity economy. Esteban previously worked at the New Economy Coalition and has worked in co-ops for over 20 years. He is a board member of the American co-op apex organization, the National Cooperative Business Association, known internationally as CLUSA. He is a mayoral appointee and co-chair of the Philadelphia Food Policy Advisory Council and won a Social Innovation Award for Public Policy in 2018.