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Cecilio Castillero
Lawyers profile
Latin America 2025
Lawyers profile | Latin America 2025: Banking & Finance, Projects & Energy
Cecilio Castillero
Ranked in 2 Practice Areas
2

Band 2

Banking & Finance

Panama

11 Years Ranked

3

Band 3

Projects & Energy

Panama

6 Years Ranked

Ranked in Guides
Global 2025

About

Provided by Cecilio Castillero

Latin America

Practice Areas

Banking & Finance

Projects and Energy

Capital Markets

Mergers and Acquisitions

Joint Ventures

Infrastructure Contracts

Languages Spoken

Spanish

English

French

Expert in these Jurisdictions

Admitted to practice in Panama and New York.

Experience

Cecilio Castillero’s practice focuses on complex transactions, including corporate and project financings, mergers and acquisitions, joint ventures and construction contracts. He has extensive experience representing leading financial institutions with a deep understanding of the market’s practices and standards, and clients’ internal policies. Mr. Castillero also has outstanding deal management and organizational skills, and extensive experience in coordinating multijurisdictional matters involving numerous parties and legal counsels.

Career

SIGMA, 2016 to date

Milbank, Tweed, Hadley & McCloy LLP, New York, associate, 2000-2010

Arias, Fábrega & Fábrega, Panama City, senior counsel, 2010-2016

Education

Tulane University

Juris Doctor

1997 - 2000

University of Southern California

Master of Music

1995 - 1997

Columbus University

Licenciado en Derecho y Ciencias Politicas

2010 - 2013

Awards

Leading attorney in Panama (Banking)

Who's Who Legal

Leading attorney in Panama (Project Financing)

Who's Who Legal

Approved private practitioner

Latin American Corporate Counsel Association

2016

Chambers Review

Provided by Chambers

Latin-America

Banking & Finance - Panama

2
Band 2
Individual Editorial

Experienced partner Cecilio Castillero of SIGMA International and Global Market Attorneys remains an important name in Panama's banking and finance practice. He is regularly seen advising clients on project finance mandates.

Learn more about this team❖View ranking table

Projects & Energy - Panama

3
Band 3
Individual Editorial

Recognised partner Cecilio Castillero of SIGMA International and Global Market Attorneys remains active advising clients on projects and energy mandates in Panama, and boasts noted expertise in project financing.

Learn more about this team❖View ranking table

Strengths

Provided by Chambers

Cecilio Castillero is a very experienced lawyer, who has provided us with valuable knowledge throughout acquisitions, as well as regulatory and finance matters. He is a kind and empathetic person.

Banking & Finance respondent
Latin-America

Cecilio Castillero is a highly knowledgeable lawyer. He helps us in negotiations and gives us the tools that enable us to reach our goals. He also stands out for his emotional intelligence.

Projects & Energy respondent
Latin-America

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SIGMA International and Global Market Attorneys

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Cecilio Castillero
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Cecilio Castillero
3
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