Gianna Cersosimo D’Agostino

Academic Background

• Law degree, University of Costa Rica. Litigation -civil, criminal and family-. Arbitration. Defense of intellectual property rights.

Memberships and Professional Experience

• She has an extensive and fruitful career of more than 22 years as a litigation lawyer. During her career, she has successfully represented individuals and important national and international companies in litigation in different jurisdictions. She has achieved economic recovery for multiple victims of fraud and the recognition of real, personal and intellectual property rights for her clients.
• Throughout her career, she has successfully worked in criminal litigation and as a criminal defense attorney, representing different clients in important and well-publicized cases. For example, she has participated as defense counsel in two criminal proceedings against several defendants, including two former presidents of the Republic and other high-ranking public officials, she represented the captains of our national soccer team in another highly publicized case, and in another criminal proceeding related to the construction of one of Costa Rica’s main highways she successfully defended three former ministers. As a consequence of her experience in this field, she has been recognized since 2017, for several consecutive years, by Best Lawyers, as one of the best lawyers in the area of Criminal Defense.
• In 2020, Gianna Cersosimo was recognized as a Rising Star in the area of​​Dispute Resolution by the prestigious international rating agency Legal 500 and in subsequent editions, including the most recent one -2025- she has been recognized by Legal 500 as a Next Generation Partner also in the area of​​Dispute Resolution. In the 2024 edition, Legal 500 quoted the following comment regarding our firm’s litigation team and specifically regarding Ms. Cersosimo: “… Notable partners include Gianna Cersosimo”. She was also recognized as part of Latin America’s Top Private Practitioners in the LACCA Approved 2025 edition and was recognized by Who is Who Latinamerica -WWL- in the Dispute Resolution category in the 2024 edition.
• Law arbitrator of the International Center for Conciliation and Arbitration of the Costa Rican-American Chamber of Commerce.
• Arbitrator at law of the Arbitration Center of the Costa Rican Chamber of Commerce.
• Member of the Arbitration Committee of the International Center of Conciliation and Arbitration of the North American Chamber of Commerce of Costa Rica.
• Former member of the Board of Directors of the Arbitration and Mediation Center, CAM.
• The litigation team of Facio & Cañas, of which partner Gianna Cersosimo has been a member since 2007, has been selected for several consecutive years by Chambers & Partners and Legal 500 in the litigation category (Dispute Resolution) as one of the best in the country.