Luisa S. Valle-Castro

Erika Berríos-Berríos is the Managing Capital Member of Schuster LLC. She has successfully litigated labor and employment matters in both state and federal courts and administrative agencies. In addition, she has substantial experience representing employers in employment audits conducted by the federal and state agencies and has also gained ample experience representing employers in arbitration proceedings representing private and public employers. Her experience practicing bef...

Mrs. Arrieta-Rivera's practice includes general civil and commercial litigation with emphasis on tax disputes and tax litigation, complex class actions, complex litigation, tort law, healthcare facility liability, and petroleum industry regulatory matters as well as collections cases. She represents clients before both state and federal court at trial and appellate levels and has worked on the defense of several high-risk cases in which she has assisted clients in obtaining favorable rulings ...

Mr. Muñiz represents clients in all phases of tax controversy and litigation matters, from tax audits and examinations through administrative appeals and court proceedings. He actively participates in multiple tax litigations representing clients on wide arrays of tax challenges, including: municipal license tax, income tax, personal property tax and construction excise tax deficiency procedures. He also has extensive experience representing taxpayers during the real property tax asses...

Juliana M. Pérez-Alemañy is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law. Juliana M., 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 Juliana M. is held by other top lawyers in the same geographic and legal practice area.

Julio Pietrantoni is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Corporate and M&A Law. Julio, who practices law in San Juan, Puerto Rico, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Julio is held by other top lawyers in the same geographic and legal practice area.

Juan A. Frau Escudero is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Juan A., 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 Juan A. is held by other top lawyers in the same geographic and legal practice area.

Luis C. Marini-Biaggi is a capital member of Marini Pietrantoni Muniz LLC and Chair of the Insolvency & Restructuring Group. Luis concentrates his practice in all aspects of insolvency matters including bankruptcy, acquisition of distressed assets, public and private sector restructurings. He also regularly handles complex commercial litigation at the trial and appellate level, including defense of lender liability suits and contract litigation. He regularly represents financial instituti...

Mr. Israel Fernández-Rodríguez, Esq. is an Attorney at Casillas, Santiago & Torres, LLC, where he serves as an attorney specializing in labor and employment counseling and litigation, in addition to civil and commercial litigation. Prior to joining the firm, Mr. Fernández-Rodríguez was a senior associate in the Labor and Employment division of a major law firm in Puerto Rico, where he tenured for five years. A substantial part of Mr. Fernández-Rodríguez’ practice involves coun...

Alfredo F. Ramírez-Macdonald is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Franchise Law. Alfredo F., who practices law in San Juan, Puerto Rico, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alfredo F. is held by other top lawyers in the same geographic and legal practice area.

Salvador J. Antonetti-Stutts is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Arbitration and Mediation, Bet-the-Company Litigation, Competition / Antitrust Law, Ethics and Professional Responsibility Practice, Franchise Law and Litigation. Salvador J., who practices law in San Juan, Puerto Rico, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Salvador J. is held by ot...