Iris Zimmer

• Environmental Law
• Urban Planning Law
• Climate Law
• Administrative Litigation in the Energy, Infrastructure, and Solid Waste Sectors
• Strategic Consulting

• Law degree from Fundação Armando Álvares Penteado (FAAP)
• Specialization in Environmental Law and Management from COGEAE/PUC-SP

• Member of the Brazilian Bar Association (OAB)
• Member of the Environmental Law Commission of the OAB
• Member of the Climate Law Commission of the OAB
• Member of the Pro Bono Committee at SiqueiraCastro Advogados
• Member of the Brazilian Union of Environmental Advocacy (UBAA)
• Member of the Latin American Climate Lawyers Initiative for Mobilizing Action (LACLIMA)

Iris has over 15 years of experience in Environmental and Urban Law, with a focus on strategic consulting and administrative litigation, particularly in the energy, infrastructure, and solid waste sectors.

She is a partner at SiqueiraCastro and serves on the firm’s Pro Bono Committee. Iris is also a member of the Environmental and Climate Law Commission of the São Paulo Bar Association (OAB/SP) and of the Latin American Climate Lawyers Initiative for Mobilizing Action (LACLIMA), as well as an associate of the Brazilian Union of Environmental Advocacy (UBAA).

A co-author of articles in specialized publications such as Revista Limpeza Pública and the international guide Getting the Deal Through: Environment & Climate Regulation, she has been recognized as a leading professional by the rankings Chambers & Partners Latin America, Leaders League, The Legal 500, Análise Advocacia, and Euromoney’s Rising Stars Expert Guide.

• Recognized by The Legal 500 in the Environment/Environmental Law practice area in 2022, 2023, and 2024.
• Recognized by Leaders League in the Environmental Law category in 2024 and 2025.
• Recognized by Análise Editorial in the Environmental and Consumer Products practice areas in 2022.

• MANOR, Íris Zimmer. Hypothesis of Incidence of the Legal Obligation to Share Benefits Due to Access to Traditional Knowledge Associated with the Genetic Heritage of Brazilian Biodiversity. 2013.
• ZIMMER, Iris; NOGUEIRA, Simone Pachoal. Solid Waste Management and Permanent Preservation Areas (APPs). In: BURMANN, Alexandre; ANTUNES, Paulo de Bessa (Ed.). 10 Years of the Forest Code: What Do We Have to Celebrate? Londrina, PR: Thoth, 2023. p. 31-42.
• ZIMMER, Íris. Valuing the National Recycling Chain and Banning the Import of Waste. Jota, São Paulo, March 12, 2025.
• ZIMMER, Íris. Where Does All the Trash Generated During Carnival Go? Migalhas: Information Pills, São Paulo, February 9, 2024
• NOGUEIRA, Simone Paschoal; MANOR, Íris Zimmer. The Damages of Misunderstood Legal Perspectives in the Waste Sector. Revista Limpeza Pública, São Paulo, no. 99, 2018. p. 21-22.
• NOGUEIRA, Simone Paschoal; MANOR, Íris Zimmer. Energy Recovery of Solid Waste. Revista Resíduos Sólidos, São Paulo, no. 84, p. 44, Apr./Jun. 2013.
• NOGUEIRA, Simone Paschoal; ZIMMER, Íris. Cooperatives in the Implementation of the National Solid Waste Policy. Revista Limpeza Pública, São Paulo, no. 82, 2012. p. 60.