Paul E. Calvesbert

Mr. Luis F. Llach-Zúñiga, Esq . is a Capital Member at Casillas, Santiago & Torres, LLC, with more than 20 years of experience counseling and representing multinational and local companies in a broad spectrum of high-stakes employment and commercial matters. His practice spans complex commercial and employment litigation, sophisticated transactional work, and the negotiation and structuring of multi-million-dollar concession agreements, in addition to tort, personal injury, ...

Mrs. Arrieta-Rivera's practice includes general civil and commercial litigation with emphasis on tax disputes and tax litigation, complex class actions, complex litigation, tort law, healthcare facility liability, and petroleum industry regulatory matters as well as collections cases. She represents clients before both state and federal court at trial and appellate levels and has worked on the defense of several high-risk cases in which she has assisted clients in obtaining favorable rulings ...

Eugenio J. Torres-Oyola is a lawyer recognized by Best Lawyers in the practice area of Intellectual Property Law. Eugenio J. practices law in San Juan, Puerto Rico Best Lawyers has recognized Eugenio J. Torres-Oyola since 2014. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Eugenio J. Torres-Oyola is held by other lawyers.

Alexandra C. Casellas-Cabrera is a lawyer recognized by Best Lawyers in the practice area of Competition / Antitrust Law. Alexandra C. practices law in San Juan, Puerto Rico Best Lawyers has recognized Alexandra C. Casellas-Cabrera since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Alexandra C. Casellas-Cabrera is held by other lawyers.

Juan Felipe Santos is the office managing principal and office litigation manager of the San Juan, Puerto Rico, office of Jackson Lewis P.C. He has successfully represented employers in litigation before federal and Puerto Rico courts, including jury trials. Before joining Jackson Lewis when it opened the Puerto Rico office in 2013, Juan worked for over 10 years in other major law firms in Puerto Rico, devoting his practice exclusively to labor and employment law. Juan represents clients thro...

Mr. Bengoa has developed a general practice concentrating in Puerto Rico tax incentive issues for manufacturing entities, and the negotiation of tax incentives grants and infrastructure and location incentives agreements with the Puerto Rico Industrial Development Company. Mr. Bengoa also specializes in negotiating tax incentives for companies engaged in recycling and renewable energy projects. He also emphasizes in general corporate, real estate, employee benefits and health care law practic...

Mr. Marqués-Díaz chairs McConnell Valdés' Litigation Practice Group. His practice includes general civil and commercial litigation before the Puerto Rico and federal courts, concentrating in local appellate practice, constitutional, tax, consumer class action, administrative, insurance - including healthcare insurance litigation - and land use litigation. Mr. Marqués-Díaz has a solid constitutional law practice. He has argued many cases involving constitutio...

Francisco A. Ojeda Diez is a lawyer recognized by Best Lawyers in the practice areas of Administrative Law and Litigation. Francisco A. practices law in San Juan, Puerto Rico Best Lawyers has recognized Francisco A. Ojeda Diez since 2022. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Francisco A. Ojeda Diez is held by other lawyers.

Roberto Prats-Palerm is a lawyer recognized by Best Lawyers in the practice areas of Insurance Law and Litigation. Roberto practices law in San Juan, Puerto Rico Best Lawyers has recognized Roberto Prats-Palerm since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Roberto Prats-Palerm is held by other lawyers.

Andres Colberg is a Member of Estrella, LLC and he received his bachelor’s degree in Business Management from Fairfield University, Fairfield, Connecticut. He later received his Juris Doctor degree from Facultad de Derecho Eugenio María de Hostos, Mayaguez, Puerto Rico, where he graduated in the first class and was a member of A.N.E.D. (Asociación Nacional de Estudiantes de Derecho). After graduation, Mr. Colberg joined the Legislation Division of the Justice Department of...