Charles A. De Mier-LeBlanc

Rosa M. González-Lugo is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law, Employee Benefits Law and Tax Law. Rosa M., who practices law in San Juan, Puerto Rico, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rosa M. is held by other top lawyers in the same geographic and legal practice area.

Marie Carmen Muntaner is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Medical Malpractice Litigation. Marie Carmen, 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 Marie Carmen is held by other top lawyers in the same geographic and legal practice area.

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.

His main areas of practice are mergers & acquisitions, public financing, debt restructuring, project finance, distribution & sales representation laws and contracts, government bids & contracts, and public-private partnerships. Mr. Céspedes chaired the Firm’s Corporate Practice Group from 2002 to 2018. He is ranked as one of Puerto Rico's Leading Attorneys in the Corporate/Commercial field by the international publication Chambers & Partners in both its Global and...

Erika Berríos-Berríos is the Managing Capital Member of Schuster LLC. She has successfully litigated labor and employment matters in both state and federal courts and administrative agencies. In addition, she has substantial experience representing employers in employment audits conducted by the federal and state agencies and has also gained ample experience representing employers in arbitration proceedings representing private and public employers. Her experience practicing bef...

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...

Cristina Arenas-Solís is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Cristina, who practices law in San Juan, Puerto Rico, has been recognized since 2017. 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.

Sara is a principal in the San Juan, Puerto Rico, office of Jackson Lewis P.C. Her practice concentrates in employment discrimination and wage and hour law counseling and litigation on behalf of employers in Puerto Rico local and federal courts. She has extensive trial experience before both federal and local courts and administrative forums in Puerto Rico. She also has experienced defending employers facing collective wage and hour class actions. In her more than 15 years of practice, Sara h...

Javier Vázquez-Morales is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law and Energy Law. Javier, 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 Javier is held by other top lawyers in the same geographic and legal practice area.

Ricardo Casellas-Santana is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. Ricardo, 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 Ricardo is held by other top lawyers in the same geographic and legal practice area.