Guillermo J. Bobonis

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...

Eugene Scott-Amy is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law, Land Use and Zoning Law and Natural Resources Law. Eugene, who practices law in San Juan, Puerto Rico, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eugene is held by other top lawyers in the same geographic and legal practice area.

She concentrates her litigation practice on intellectual property, securities arbitrations, data security, media and entertainment, and healthcare facility liability. Within these areas, she counsels clients on trademark, copyright, unfair competition, false advertising, right of publicity, and other related commercial matters. Her securities practice, which includes arbitrations before the Financial Industry Regulatory Authority, has allowed her to develop unique skills within this particula...

Roberto Prats-Palerm is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Litigation. Roberto, 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 Roberto 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 J. Casillas-Ayala, Esq. is an Attorney at Casillas, Santiago & Torres, LLC, where he specializes in Labor & Employment and Commercial Litigation. He was a shareholder in the Labor and Employment division of a major law firm in Puerto Rico, where he further sharpened his litigation skills during his 11 years tenure at the firm. Prior to this, he served as law clerk at the Court of Appeals with now Supreme Court Justice Rafael Martínez-Torres and subsequently at the Supreme Co...

Mr. Miguel A. Santiago. Esq. is an Attorney at Casillas, Santiago & Torres, LLC. Prior to founding CST, Mr. Santiago was a partner at one of Puerto Rico’s largest and oldest law firms where he spent close to ten years counseling in the corporate-tax area including corporate, tax, employee benefits, real estate and employment law. Before such tenure, he was a senior tax consultant at Ernst & Young, LLP. Mr. Santiago counsels employers in all aspects of Corporate, Tax, Employee Be...

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.

She is the Vice-Chair of McConnell Valdés' Corporate Practice Group. Her main areas of practice include general corporate matters, financial institutions, mergers and acquisitions in the insurance and banking industries, distribution and sales representative laws, insurance and healthcare services - including litigation - as well as regulatory matters and government and legislative affairs. Before joining McConnell Valdés, Mrs. Portela concentrated in the practice of civil and c...

Eugenio J. Torres-Oyola is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Eugenio 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 Eugenio J. is held by other top lawyers in the same geographic and legal practice area.