Cecilio Castillero

Cecilio Castillero is a prominent attorney and founding partner at SIGMA International and Global Market Attorneys, based in Panama. He specializes in banking and finance, projects and energy, capital markets, mergers and acquisitions, and joint ventures. His extensive legal expertise includes managing complex transactions and corporate financings, making him a significant figure in Panama's legal landscape, particularly in the banking sector.13

Education and Early Career

Castillero earned his Juris Doctor from Tulane University (2000) and holds a Master of Music from the University of Southern California (1997). He also obtained a Licenciado en Derecho y Ciencias Políticas from Columbus University (2013). Before establishing SIGMA, he worked at Milbank, Tweed, Hadley & McCloy LLP in New York as an associate from 2000 to 2010, followed by a position as senior counsel at Arias, Fábrega & Fábrega in Panama City from 2010 to 2016.13

Professional Recognition

His contributions to the field have earned him recognition as a leading attorney in Panama by various legal directories, including Who's Who Legal. He is noted for his ability to navigate complex regulatory environments and for his emotional intelligence during negotiations.12

Current Focus

At SIGMA International, Castillero continues to advise clients on project finance mandates and has been actively involved in discussions surrounding laws designed to enhance Panama's manufacturing industry and logistics capabilities, such as the EMMA Law.2 He is fluent in Spanish, English, and French, which aids his work with international clients.1

Cecilio Castillero's profile reflects a commitment to fostering investment and development in Panama through legal expertise and strategic advisory services.