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Portuguese, English, Spanish and German

Cassio S. Namur


Practice Area(s)

Arbitration, Civil Law, Family and Succession Succession Law, Institutional and Government Relations

Cassio Namur has been a partner of Tortoro Madureira & Ragazzi Advogados since 2018. His practice areas involve Civil Law, mainly Family and Succession  Law. He has recognized national and international experience in this area for participating in complexity cases. Namur assists clients in issues related to property, family and business estate planning.

He became a Bachelor of Law in 1986 from Pontifícia Universidade Católica de São Paulo (PUC/SP) and has an MBA in Corporate Finance from Escola de Negócios da Universidade de São Paulo (FEA/USP, 1993).

Namur has experience  in the Institutional and Government Relations area, advising clients on the ethical public-private dialogue. He is also a leader and manager at several entities, in Brazil and abroad.

He has written articles and delivered lectures in congresses in Brazil, and abroad, in the Family and Succession Law area.


1993 – MBA in Corporate Finance, Escola de Negócios da Universidade de São Paulo (FEA/USP)
1986 – Bachelor’s Degree, Pontifícia Universidade Católica de São Paulo (PUC/SP)

Additional information
Professional Affiliations

IASP – Lawyers Institute of São Paulo
Member of the Board
Since Jan. 2019
Director of International Relations
Since Jan. 2016
Director of Institutional Relations
From Jan. 2013 to Dec. 2015
Member of the Family and Succession Law Comission
Since Jan. 2014
Member of the Infrastructure Committee
Since Sep. 2014
Member of the Permanent Comission of the Banking Law Studies
Since Nov. 2019
Member of the Permanent Commission of Contract Law Studies
Since Apr. 2022

ASIME – Association of professionals against International Child Abuction in Spain
Since Jul. 2022

Federation of Portuguese Language Lawyers (FALP)
Member of the board and founding fellow
Since Mar. 2020

France Brazil Chamber of Commerce (CCIFB), in Sao Paulo
Member of Board
Since Mar. 2020

Member of the List of Arbitrators
Since Apr. 2019

AIJUDEFA – International Association of Family Law Scholars
From Dec. 2022 to Dec. 2024
President Elect
From Dec. 2020 to Dec. 2022
First Vice-president
From Dec. 2018 to Dec. 2020
Founding fellow
Since Dec. 2018

OAB/SP (Brazilian Bar Association, São Paulo Section)
Member of the Electoral Comission
From Oct. 2018 to Mar. 2022

IBDFAM (Brazilian Family Law Institute)
Member of the Legislative and Jurisprudence Observatory Board
Since Jan. 2020
Director of International Relations
From Oct. 2017 to Dec. 2020
First Vice Director of International Relations
Since Oct. 2013

IAFL (International Academy of Family Lawyers)
“Governor at Large”
Since Feb. 2022
Since Jul. 2012

ISFL (International Society of Family Lawyers)
Since Sep. 2009

CAE (Eurochamber Mediation and Arbitration Chamber)
Member of the List of Arbitrators
Since Sep. 2008

AHK (Brazil-Germany Chamber of Commerce and Industry of São Paulo)
Member of the Board
From Jan. 2008 to Dec. 2018 and since Aug. 2020

Education Consultive Committee of CVM (The Brazilian Securities and Exchange Commission)
Member, Representative of ABRASCA (Brazilian Association of Public Companies)
Since Jan. 2008

Official Spanish Chamber of Commerce in Brazil
President of the Legal Committee
From Jan. 2007 to Dec. 2007 and Since Mar. 2022

FBN (Family Business Network)
Member of the Knowledge Development Council
From Jan. 2007 to Dec. 2016


FALP (Federation of Portuguese Language Lawyers) Magazine, Volume nº 1, November 22, 2022 – “International Child Abduction and the Legitimacy of the Child’s Voice” – Link

IBDFAM Family and Successions Magazine, v. 51 (May/June), Belo Horizonte: IBDFAM, 2022 – “Not without um children: the Spanish who faced Sharia and influenced the creation of the Family Law for non-muslims in the United Arab Emirates”, co-authored with Eliza Cerutti – Link

JOTA, May 29, 2021. International child abduction in Brazil and the legitimacy of the child’s voice – Link

Academic Activity

Pontifícia Universidade Católica de São Paulo (PUC/SP)
Assistant Professor of Civil Law
Mar. 1987 to Oct. 1991
Mar. 2003 to Dec. 2007