Ana María Siufi is a member of the Sisters of Mercy of the Americas. Serving on the congregation's Prophetic Voice Team and the Extended Justice Team, she lives and ministers in a poor barrio in General Roca, Río Negro, Argentina. In addition to her advocacy work on behalf of environmental causes, Sister Ana provides both pastoral and social services for people who are incarcerated and for at-risk persons, and she also offers training sessions for an alternative to violence program.