Manuel Sosa-Báez

David Rivé-Power is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law and Health Care Law. David, 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 David is held by other top lawyers in the same geographic and legal practice area.

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.

Pedro Jaime Torres-Díaz is the office managing principal of the Miami, Florida, office and a principal in the San Juan, Puerto Rico, office of Jackson Lewis P.C. He is also a past president of the Hispanic National Bar Association. His practice concentrates on employment discrimination and wage and hour counseling and litigation exclusively on behalf of employers, both in Florida and Puerto Rico. Pedro has extensive trial experience before both federal and local courts and administrati...

Tatiana Leal-González is an associate in the San Juan, Puerto Rico, office of Jackson Lewis P.C. She focuses her practice in substantive and procedural aspects of labor and employment law litigation and has successfully defended claims against employers before federal and local court, and administrative agencies, involving complex allegations of wrongful termination, sexual harassment, retaliation, age and disability discrimination. Tatiana frequently provides legal advice and preventi...

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

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

Mrs. Cartagena maintains a broad litigation and counseling practice representing corporate entities in a wide variety of business disputes. She has significant experience in complex litigation, including consumers’ class actions, insurance litigation, contractual disputes, tax deficiency proceedings and general tort litigation in both state and federal courts. She also has significant experience in administrative forums before multiple agencies and on bids and procurement consulting and...

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...

Héctor Lebrón-González is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Héctor, 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 Héctor is held by other top lawyers in the same geographic and legal practice area.

Alfredo Alvarez-Ibáñez is a member in the Corporate Department. He has been with O’Neill & Borges since 1996. Alfredo’s practice is concentrated in various areas of commercial law and creditors’ rights, including real estate, commercial lending, secured transactions, asset-based finance, and complex out-of-court workouts and restructurings, representing both local and U.S.-based financial institutions and businesses. Alfredo’s practice also involves c...