Alberto J. Castañer-Padró

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.

Cristina Arenas-Solís is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Cristina, who practices law in San Juan, Puerto Rico, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Cristina is held by other top lawyers in the same geographic and legal practice area.

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

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

He concentrates his practice in the representation of hospitality industry clients. He has structured joint ventures for investments in hospitality projects and has represented developers in all aspects of the financing of these projects, including the negotiation and execution of credit agreements, guaranty agreements and mezzanine financing arrangements. He has also represented developers in the negotiation and execution of hotel management agreements with some of the principal hotel brands...

Roberto Quiñones-Rivera, a graduate of Yale Law School, started his litigation practice with Paul, Weiss, Rifkind, Wharton & Garrison in New York and Choate, Hall & Stewart in Boston. He has over 30 years of experience in complex commercial litigation and arbitration and in legal counseling. Mr. Quiñones has handled major business cases in a wide range of areas, including securities, antitrust, RICO, intellectual property, distribution and ERISA. Mr. Quiñones has ...

Marie Carmen Muntaner is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Medical Malpractice Litigation. Marie Carmen, 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 Marie Carmen is held by other top lawyers in the same geographic and legal practice area.

Mr. Marqués-Díaz chairs McConnell Valdés' Litigation Practice Group. His practice includes general civil and commercial litigation before the Puerto Rico and federal courts, concentrating in local appellate practice, constitutional, tax, consumer class action, administrative, insurance - including healthcare insurance litigation - and land use litigation. Mr. Marqués-Díaz has a solid constitutional law practice. He has argued many cases involving constitutio...

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.

Antonio L. Roig-Lorenzo is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Antonio L., 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 Antonio L. is held by other top lawyers in the same geographic and legal practice area.