Juan C. Pérez-Otero

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.

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.

Edna E. Pérez-Román is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Edna E., 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 Edna E. is held by other top lawyers in the same geographic and legal practice area.

Her main areas of practice include banking and financial institutions, commercial financing, mergers and acquisitions, corporate reorgs, governance and public financing. She also advises clients on aspects of doing business in Puerto Rico, including fund formation (private equity and Opportunity Zone funds). Ms. Acosta regularly advises national and local banks, broker-dealers, mortgage institutions and other financial institutions (including international banking entities) and institutional ...

Mr. Freese-Souffront is Vice-Chair of the Litigation Prectice Group. He is a civil and commercial litigator who handles a wide range of complex disputes. His practice focuses on maritime and admiralty law matters, high profile commercial construction disputes, distribution/franchise disputes, insurance litigation, and lender liability cases. His other practice areas include the defense of personal injury and wrongful death claims, and handling termination or non-renewal disputes under The Pet...

José L. Notario-Toll is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law. José L., 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 José L. is held by other top lawyers in the same geographic and legal practice area.

Mr. Fernández-Lugo Chairs McConnell Valdés' Environmental, Energy & Land Use Practice Group. He represents clients before local and federal agencies with jurisdiction over environmental, energy and land use matters, such as the U.S. Environmental Protection Agency, the U.S. Army Corps of Engineers, the Environmental Quality Board, the Department of Natural and Environmental Resources, the Solid Waste Management Authority, the Puerto Rico Electric Power Authority, the State E...

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.

José A. Díaz-Brugueras is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. José A., 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 José A. is held by other top lawyers in the same geographic and legal practice area.