Fernando Lionel Berio Muñiz

Hermann D. Bauer-Álvarez is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation, Debt & Equity, Insolvency and Reorganization Law and Litigation. Hermann D., who practices law in San Juan, Puerto Rico, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hermann D. is held by other top lawyers in the same geographic and legal practice area.

Mr. Miranda specializes in commercial law, real estate and general corporate law. He has been involved in the structuring, financing and development of complex residential, tourism and mixed use real estate developments as well as in the development, financing and construction of most major hotels in Puerto Rico. Likewise he has an extensive practice in corporate and commercial finance matters. He also represents the principal advertising and public relations companies in Puerto Rico as well ...

Mr. Miguel A. Santiago. Esq. is an Attorney at Casillas, Santiago & Torres, LLC. Prior to founding CST, Mr. Santiago was a partner at one of Puerto Rico’s largest and oldest law firms where he spent close to ten years counseling in the corporate-tax area including corporate, tax, employee benefits, real estate and employment law. Before such tenure, he was a senior tax consultant at Ernst & Young, LLP. Mr. Santiago counsels employers in all aspects of Corporate, Tax, Employee Be...

Leslie Y. Flores-Rodríguez is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice and Litigation. Leslie Y., who practices law in San Juan, Puerto Rico, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Leslie Y. is held by other top lawyers in the same geographic and legal practice area.

Luis R. Pérez Giusti is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Luis R., who practices law in San Juan, Puerto Rico, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Luis R. is held by other top lawyers in the same geographic and legal practice area.

Stephanie Vilella is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Stephanie, who practices law in San Juan, Puerto Rico, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephanie is held by other top lawyers in the same geographic and legal practice area.

Karla Rivera-Rubio is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Karla, who practices law in San Juan, Puerto Rico, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Karla is held by other top lawyers in the same geographic and legal practice area.

Alberto Estrella is the managing member and majority shareholder at Estrella, LLC, one of the oldest law firms in Puerto Rico, with a history dating back to the early 1900’s. He is involved in litigation and asked to advise business clients on a diverse variety of matters, including commercial and contract disputes, complex litigation, premises liability and insurance defense, antitrust and business regulation, federal laws and litigation, trademarks and copyrights, administrative law, ...

Angel Rey Seijo is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Angel, who practices law in San Juan, Puerto Rico, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Angel is held by other top lawyers in the same geographic and legal practice area.

Mr. Mayoral acts as lead counsel in a wide range of banking, securities, and insurance acquisitions, and on regulatory applications to federal and Puerto Rico banking agencies. His practice is concentrated in banking, financial, and insurance regulatory matters, as an advisor for banks and other financial institutions (including international banking entities doing business in Puerto Rico), and insurance companies and producers. He has also acted as lead counsel in a wide range of corporate t...