From 1989 to 1992, Rolnik was the Director of Planning for the city of São Paulo during Luiza Erundina's mayoral term. She later served as the Secretary of Urban Programmes at the Ministry of Cities during President Luiz Inácio Lula da Silva's first term from 2003 to 2007. From 2008 to 2014, she was the UNSpecial Rapporteur on the Right to Adequate Housing.[3]
She is the author of the books "Guerra dos lugares: a colonização da terra e da moradia na era das finanças"[4] (2015), “O que é Cidade” (2004), “São Paulo - Coleção Folha Explica” (2001) and “A Cidade e a Lei - legislação, politica urbana e territórios na cidade de São Paulo”[5] (1997).
She has published numerous articles and commentaries on urban planning, including a column for the Brazilian newspaper Folha de S. Paulo. She also maintains a blog and Facebook page where she regularly writes about urban issues and she hosts a weekly programme on Rádio USP.
United Nations special rapporteurs bear mandates from the United Nations Human Rights Council and may hold the titles special rapporteur, independent expert or special representative of the Secretary-General, and are also referred to simply as mandate-holders.