John R. O’Connor

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...

Mr. Luis F. Llach-Zúñiga, Esq. is an Attorney at Casillas, Santiago & Torres, LLC, with more than 13 years counseling and representing multinational and local companies on diverse matters, ranging from employment-related concerns and lawsuits, to handling and litigating complex tort, personal injury and premises liability claims before the U.S. District Court for the District of Puerto Rico and local courts. Mr. Luis F. Llach-Zúñiga, Esq. has extensively counseled and successfully rep...

Mr. Miranda specializes in commercial law, real estate and general corporate law. He has been involved in the structuring, financing and development of complex residential, tourism and mixed use real estate developments as well as in the development, financing and construction of most major hotels in Puerto Rico. Likewise he has an extensive practice in corporate and commercial finance matters. He also represents the principal advertising and public relations companies in Puerto Rico as well ...

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.

Marcia Caridad Laurido Soto is an associate in the San Juan, Puerto Rico, office of Jackson Lewis P.C. Her practice focuses on representing employers in workplace law matters, including preventive advice and counseling. Marcia provides counsel on a variety of labor and employment law matters that encompasses the entire employer-employee relationship, guiding employers from a preventive point of view as to avoid or be prepared for potential litigation on issues such as wrongful termination, wa...

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.

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...

Mr. Mayoral acts as lead counsel in a wide range of banking, securities, and insurance acquisitions, and on regulatory applications to federal and Puerto Rico banking agencies. His practice is concentrated in banking, financial, and insurance regulatory matters, as an advisor for banks and other financial institutions (including international banking entities doing business in Puerto Rico), and insurance companies and producers. He has also acted as lead counsel in a wide range of corporate t...

Angel Rey Seijo is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Angel, who practices law in San Juan, Puerto Rico, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Angel is held by other top lawyers in the same geographic and legal practice area.

In a legal career spanning almost three decades, Carl Schuster has handled over a thousand litigation matters and tried in the neighborhood of two-hundred cases before all forums. He has numerous published opinions before the U. S. Court of Appeals for the First Circuit, U. S. District Court for the District of Puerto Rico and the Puerto Rico Supreme Court. He concentrates his practice on employment law in its broad sense, representing and advising clients on matters related to: Sexual harass...