Jennifer López-Negrón

Luis M. Morera is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law and Litigation. Luis M., 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 Luis M. is held by other top lawyers in the same geographic and legal practice area.

María Echenique-Arana is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. María, 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 María is held by other top lawyers in the same geographic and legal practice area.

Lee Sepulvado-Ramos is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation and Litigation. Lee, 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 Lee is held by other top lawyers in the same geographic and legal practice area.

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

Mrs. Carballo Chairs McConnell Valdés' Tax Practice Group. She focuses her practice on complex corporate tax matters, including startup operations, inbound and outbound corporate reorganizations, acquisitions, financings, exit strategies, legislative affairs, tax incentives and exemptions, and competent authority proceedings between the Puerto Rico Treasury Department and the Internal Revenue Service. A substantial part of her practice is devoted to tax minimization strategies through ...

Alexandra C. Casellas-Cabrera is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. Alexandra C., 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 Alexandra C. is held by other top lawyers in the same geographic and legal practice area.

His main areas of practice are mergers & acquisitions, public financing, debt restructuring, project finance, distribution & sales representation laws and contracts, government bids & contracts, and public-private partnerships. Mr. Céspedes chaired the Firm’s Corporate Practice Group from 2002 to 2018. He is ranked as one of Puerto Rico's Leading Attorneys in the Corporate/Commercial field by the international publication Chambers & Partners in both its Global and...

René J. Avilés-García is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits Law, Tax Law and Trusts and Estates. René J., who practices law in San Juan, Puerto Rico, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which René J. is held by other top lawyers in the same geographic and legal practice area.

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.

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.