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Future Leaders

Future Leaders

Future Leader

WWL Ranking: Future Leader

WWL says

Marlon Shigueru Ushiro Ieiri is “an extraordinary lawyer” say clients, one of whom adds, “His main strength is the dedication that he gives to each project.” He wins further praise for his “unflappable and rock solid” approach.


Marlon Shigueru Ushiro Ieiri’s practice focus is construction law, representing national and international clients in public and private engineering, construction and infrastructure projects. His works as a lawyer include advice on contracting strategies, drafting and negotiation of construction contracts, legal project management, including drafting of claims and/or counter-claims, and dispute resolution (arbitration and ADRs). 

Marlon has assisted clients in private projects involving the construction of gas pipelines, oil refineries, FPSO, ports, shipyard, iron ore plants, iron ore pipeline, steel mill, pulp mill, roads, industries, airport, powerplants, hotels and real estate. His experience also includes public projects such as concession of airports and federal roads.

He is a project manager professional (PMP) certified by the Project Management Institute (PMI). He is a member and founder of the Brazilian Institute of Construction Law (IBDiC) and a certified member of the Dispute Resolution Board Foundation (DRBF). Other memberships include the Society of Construction Law (SCL); the Association for the Advancement of Cost Engineering (AACE); the Chartered Institute of Arbitrators (CIArb); the Spanish Arbitration Club (CEA); and the Brazilian Arbitration Committee (CBAr).  

Marlon is co-author of Direito da Construção – estudos sobre as várias áreas do Direito aplicadas ao mercado da construção.  

He has a bachelor’s degree in law from the State University of Londrina (UEL); a master’s degree in European union law from Carlos III de Madrid University; and a master's degree in international trade law from Paris X University. He also studied infrastructure contracts at Getúlio Vargas Foundation (FGV-SP).

Marlon speaks Portuguese, English, Spanish and French.

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