Arthur has been investing globally since 1997 when he co-founded Synthesis Asset Management in New York, where he was a portfolio manager for 8 years. In 2005 he returned to Brazil to found M Square aiming to offer differentiated investment opportunities to Brazilian families, following the same set of beliefs and principles that guided him abroad. He graduated from Fundação Getúlio Vargas in Public Administration and received his MBA from the Yale School of Management. Arthur is a member of M Square’s investment committee as well as part of the Board of the Yale School of Management.
Arthur Mizne
Founder and Partner
M Square
United Kingdom, England, London
About Me
Profile Information
Founder and Partner
M Square
Investment Team,Operations Team
Investor
RIA/Wealth Manager/Asset Manager
London
England
United Kingdom
Jul 15, 2025
More profiles to browse
Carlos Cordova
Associate Partner
Rodrigo Sancovsky
Partner, Director of Research & Member of the Investment Commitee

Luciana Barreto
Chief Executive Officer, Partner & Member of Investment Committee
Ivo Profili
Partner
You Might Like
RR
Rachel Rademacher
Vice President of Operations
Rademacher Financial Inc
NZ
Nancy Zatzman
Project Manager
Pennsylvania Capital Management
ML
Mary Limburg
Trader & Client Service Specialist
Pennsylvania Capital Management
KA
Kimberly A. Griego-Kiel
Founding Partner Emerita
Horizons Sustainable Financial Services