Dennis A. Simonpietri-Monefeldt

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 ...

Juan A. Frau Escudero is a lawyer recognized by Best Lawyers in the practice area of Litigation. Juan A. practices law in San Juan, Puerto Rico Best Lawyers has recognized Juan A. Frau Escudero 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 Juan A. Frau Escudero is held by other lawyers.

Ms. Corrada has nearly 20 years of experience in Environmental Law. She regularly provides counseling to clients on permitting, enforcement and compliance with environmental and land use laws and regulations. She began her career in the public service, in the Puerto Rico Environmental Quality Board, where she assisted the Air Quality Area in drafting and enacting amendments to air regulation which would allow enforcing the Clean Air Act's Title V, and adopting the State Implementation Plan in...

Mr. Muñiz represents clients in all phases of tax controversy and litigation matters, from tax audits and examinations through administrative appeals and court proceedings. He actively participates in multiple tax litigations representing clients on wide arrays of tax challenges, including: municipal license tax, income tax, personal property tax and construction excise tax deficiency procedures. He also has extensive experience representing taxpayers during the real property tax asses...

Jorge C. Pizarro-García is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. Jorge C. practices law in San Juan, Puerto Rico Best Lawyers has recognized Jorge C. Pizarro-García since 2020. 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 Jorge C. Pizarro-García is held by other lawyers.

Ms. Amarily Maldonado, Esq. joined Casillas, Santiago & Torres, LLC in April 2018, where she serves as an Attorney in the Corporate and Tax Divisions. Prior to joining the firm, Ms. Maldonado was a Senior Manager in the Tax Advisory Division of a major international accounting firm in Puerto Rico, where she tenured for six years. Ms. Maldonado commenced her career as an Associate in the Corporate Tax practice of one of the Big Four accounting firms and also served as a corporate and tax a...

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 ...

Mrs. Diana M. Batlle-Barasorda, Esq. is an Attorney at Casillas, Santiago & Torres, LLC, where she serves as a litigation attorney. Mrs. Batlle-Barasorda provides hands on technical expertise and advice in complex litigations and transactions. Prior to such tenure, she was an associate attorney in one of Puerto Rico’s largest and most important law firms. From 1996-1998, Mrs. Batlle-Barasorda also served as a law clerk for now retired Supreme Court Justice Francisco Rebollo Ló...

Mr. Novoa-Rodríguez’s main areas of practice include land use regulation, environmental permitting, enforcement and compliance under local and federal statutes and regulations promulgated under the CAA, CWA, NEPA, RCRA and CERCLA. He has represented clients before federal and local administrative procedures regarding permit applications, compliance orders, administrative fines and other matters before federal and local governmental entities, among them the Environmental Protectio...

Rafael Escalera Rodríguez is a lawyer recognized by Best Lawyers in the practice areas of Arbitration and Mediation, Bet-the-Company Litigation and Litigation. Rafael practices law in San Juan, Puerto Rico Best Lawyers has recognized Rafael Escalera Rodríguez 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 Rafael Escalera Rodríguez is held by ot...