John R. O’Connor

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

Odemaris Chacón Varona is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Insurance Law, Labor and Employment Law, Medical Malpractice Litigation and Professional Malpractice Litigation. Odemaris, 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 Odemaris is held by other top lawyers in the same geographic and legal practice area.

Mr. Rodríguez-Ema concentrates his practice in government affairs, corporate law, and securities matters. Mr. Rodríguez-Ema also works on infrastructure and privatization projects. During the last two decades, he worked on all major privatization endeavors conducted by the government of Puerto Rico, including the sale of Puerto Rico Telephone Company. He is the former Chief of Staff under Governor Luis Fortuño's administration. In that capacity Mr. Rodríguez-Ema he...

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 ...

Eric Pérez Ochoa is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Eric, 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 Eric 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.

Ramón Coto-Ojeda is the Managing Partner of Coto & Associates, who also heads the firm’s Alternative Dispute Resolution practice and the Cuba Team. Before forming Coto & Associates in January of 1999, he was a partner of McConnell Valdés where he worked since he joined the firm in 1982 as a law clerk. Mr. Coto-Ojeda has vast experience representing institutional lenders and other corporate interests in civil and complex commercial litigations, including products li...

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.

Christopher A. Dávila-Rodríguez is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law. Christopher 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 Christopher 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...