Herman Colberg

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

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

Gilberto Gutiérrez-Teissonniere is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law and Real Estate Law. Gilberto, 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 Gilberto is held by other top lawyers in the same geographic and legal practice area.

Mr. Juan C. Nieves-González, Esq. is an attorney at Casillas, Santiago & Torres, LLC, where he serves in the Litigation, Insurance and Labor & Employment groups. Prior to joining CST, he worked for over six (6) years at another firm focusing on civil rights and labor and employment matters. He has experience in conducting direct and cross examinations of witnesses in court, including in civil jury trials before the United States District Court for the District of Puerto Rico. H...

Walter F. Alomar-Jiménez is a Capital Member in the Corporate Department of O'Neill & Borges LLC with over 20 years of experience. Walter has been consistently listed in Best Lawyers as a leading attorney for real estate, corporate and M&A transactions. Over the years, Walter has been involved in transactions related to all aspects of real estate, commercial finance, creditor's rights, distressed asset acquisitions, mergers & acquisitions and general corporate practices. Wa...

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 ...

Cristina Morazzani-Jové is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Cristina, 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 Cristina 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...

Edna E. Pérez-Román is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Edna E., 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 Edna E. is held by other top lawyers in the same geographic and legal practice area.

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