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Roberta Danelon Leonhardt

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Roberta Danelon Leonhardt

Partner of the Environmental Law practice and Head of the Labour, Real Estate, Litigation and Competition Law practices, Roberta Danelon Leonhardt is a specialist in environmental law, having outstanding performance in the management of complex environmental crises due to her skills for the composition of multiple interests in negotiation processes. Leonhardt’s work embraces the coordination of working teams for the provision of environmental assistance in matters related to the implementation of potential polluting projects and the analysis of environmental liabilities, support to investors and financial institutions for the identification and management of environmental risks, as well as working with environmental agencies and the Department of Public Prosecution. Leonhardt is becoming renowned in the market of Environmental Disputes practice due to her persuasive ability and solid environmental practice background and has experience in assisting clients of a wide range of areas such as infrastructure, logistics, food and beverage, chemicals, real estate, agribusiness, steel, mining, automotive, banking, pharmaceutical and heavy industry in general.

Recent acknowledgments

  • Chambers & Partners Brazil: Industries & Sectors: Environmental (2021-2022)
  • Chambers Latin America: Environmental (2016-2021)
  • Chambers Women in Law: “Mentoring Lawyer of the Year - Leadership in the Profession” for Latin America (2015)
  • The Legal 500: Environmental and Dispute Resolution (Including Business Criminal) (2019); Environmental (2021)
  • Leaders League: Environmental (2020-2022)
  • Latin Lawyer 250: Environmental (2018-2021)
  • Latin Lawyer National: Environmental (2020)
  • Análise Advocacia Mulher: Environmental and in the Construction and Engineering, Trade, Aeronautics, and Environmental Services and Sanitation sectors (2021); Environmental, in the Aeronautical, Agriculture and Livestock, Business, Pharmaceutical, Real Estate, Oil and Gas, Chemical and Petrochemical, Insurance, Steel and Mining and Transportation and logistics sectors, and in São Paulo (2022)
  • Análise Advocacia 500: Environmental, Chemical and Petrochemical, and São Paulo (2020)
  • Who's Who Legal - Thought Leaders Brazil: Environmental (2019-2021)


  • Crisis Management and Business Continuity, Massachusetts Institute of Technology, Boston, EUA (short professional course, 2018)
  • Universidade de São Paulo (University of São Paulo), Brazil (Bachelor of Laws, 1999)
  • Universidade de São Paulo (University of São Paulo), Brazil (Postgraduation in Environmental Law, 2002)
  • London School of Economics and Political Science, United Kingdom (Masters / LL.M. in Public International Law, 2003)

Other qualifications

  • Forms part of the Brazilian Mission for the World Trade Organization, Switzerland (2005)
  • Coordinator of the Environmental Committee for the Centro de Estudos de Sociedades de Advogados (Studies Center of Law Firms - CESA) (2014-2019)
  • Member and Officer of the International Bar Association (IBA) (Programme Officer, Environment, Health and Safety Law Committee, 2015-2016 and Vice-Chair, Environment, Health and Safety Law Committee, 2017-2018, Senior Vice Chair 2019)
  • Member of the Steering Committee of Machado Meyer (2017)
  • Member of the Diversity Committee of Machado Meyer (2014-2017)
  • Member of the Professional Quality Committee of Machado Meyer (2018-2019)
  • Member of the Executive Council of Machado Meyer (2018 - 2021)

Experience abroad

  • Foundation of International Environmental - Law and Development (FIELD), United Kingdom (2003)


  • Brazilian Bar Association (OAB)
  • International Bar Association (IBA)