LAWYER PROFILE

Guilherme Sampaio Monteiro

Global 2026

Pinheiro Neto Advogados

Ranked in 2 practice areas

Capital Markets: Equity

Brazil

2 years ranked

Capital Markets: Debt

Brazil

1 year ranked

About

Provided by Pinheiro Neto Advogados

Global

Practice Areas

Capital Markets, Corporate M&A.

Career

A partner in the firm’s capital markets area, Guilherme Sampaio Monteiro boasts over 15 years of experience in advising companies, institutions and institutional investors in a wide array of transactions, including IPOs, M&As of publicly traded companies, and corporate restructuring transactions. In 2020, UK’s Client Choice recognized him as Brazil’s leading capital markets attorney. He also acted in several award-winning operations, such as Natura’s acquisition of Avon (representing Natura); TAM S.A.’s merger into Lan Airlines and ensuing creation of LATAM (representing LAN); Amil’s acquisition by United Health (representing United Health); the JV between Boeing and Embraer (representing Boeing); Cosan Group’s corporate restructuring; and Raízen’s IPO.

Personal

LL.M. from Stanford University

Extension Course in Business Administration from the New York University

Extension Course in Corporate Law from the Getúlio Vargas Foundation (FGV)

Extension Course in International Relations from the São Paulo University (USP)

Bachelor's Degree in Law from the São Paulo University (USP)

International experience: Davis Polk & Wardwell LLP, USA and U.S. Securities and Exchange Commission, Washington, D.C

Chambers Review

Provided by Chambers

Chambers Global Guide

Capital Markets: Equity - Brazil

Band 2

Individual Editorial

Guilherme Sampaio Monteiro is commended for his involvement in sophisticated capital markets matters. His expertise covers top-notch follow-ons and IPOs.

Learn more about this team View ranking table

Capital Markets: Debt - Brazil

Band 5

Individual Editorial

Guilherme Sampaio Monteiro is commended for his involvement in sophisticated capital markets matters. His expertise covers top-notch follow-ons and IPOs.

Learn more about this team View ranking table

Strengths

Provided by Chambers

It is extremely pleasant to work with Guilherme Sampaio Monteiro. He is always collaborative, polite and available to support.
Capital Markets: EquityChambers Global Guide
Guilherme Sampaio Monteiro is deeply knowledgeable, business-oriented and focused on liability management. His thorough approach adds real value to every interaction.
Capital Markets: EquityChambers Global Guide
Guilherme Sampaio Monteiro is an excellent lawyer. He is always available, straightforward and consistently effective.
Capital Markets: EquityChambers Global Guide