Guillermo R. Picó

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

Mayra Cristina Artiles Fonseca is an experienced attorney in the Corporate and Commercial Practice Group where she has successfully represented clients in a wide array of commercial and corporate transactions and disputes. Having also litigation expertise, Mayra provides comprehensive counsel to companies of all sizes on various corporate matters (from both a transactions and dispute resolution approach), helping them navigate complex legal landscapes with confidence and strategic insight. Ma...

Roberto Quiñones-Rivera, a graduate of Yale Law School, started his litigation practice with Paul, Weiss, Rifkind, Wharton & Garrison in New York and Choate, Hall & Stewart in Boston. He has over 30 years of experience in complex commercial litigation and arbitration and in legal counseling. Mr. Quiñones has handled major business cases in a wide range of areas, including securities, antitrust, RICO, intellectual property, distribution and ERISA. Mr. Quiñones has ...

René J. Avilés-García is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits Law, Tax Law and Trusts and Estates. René 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 René J. is held by other top lawyers in the same geographic and legal practice area.

Idalmarie Lopez is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance & Compliance Practice. Idalmarie, 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 Idalmarie is held by other top lawyers in the same geographic and legal practice area.

Ms. López del Valle is an Income Member in the Litigation Practice Group. Her primary practice areas include general civil litigation and arbitration, with an emphasis on Securities Arbitration and Intellectual Property. https://www.mcvpr.com/attorneys-Sonia-Lopez

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...

Ana B. Rosado-Frontanés is of counsel in the San Juan, Puerto Rico, office of Jackson Lewis P.C. Ana provides legal counsel regarding all aspects of labor and employment matters and litigates before all state, federal, administrative and local forums. Ana began her legal career as a corporate lawyer in a New York law firm. After two years practicing corporate law, she shifted gears and began practicing employment law, drawn to the human aspects involved in employment law issues and cas...

Ricardo Muñiz is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law and Trusts and Estates. Ricardo, 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 Ricardo is held by other top lawyers in the same geographic and legal practice area.

Mr Casellas has over 25 years of experience in various corporate and financing matters, including project development and finance, commercial lending and structured finance, real estate and mergers and acquisitions. He has acted as counsel for various financial institutions in commercial lending and structured finance transactions. Some of his recent transactions include acting as counsel for Autopistas Metropolitanas de Puerto Rico, LLC in the financing of the PR-22 toll road concession, the...