Marisa Calleja is an associate in Brown Rudnick's White Collar Defense & Government Investigations group in the New York office. Ms. Calleja has experience involving allegations of securities fraud, accounting fraud, insider trading, bribery, corruption, tax evasion, and money laundering arising in criminal and regulatory investigations and proceedings, as well as in civil litigation. She also has experience in cross-border matters, including international extradition defense and investigations involving law enforcement agencies in multiple foreign jurisdictions.

Prior to attending law school, Marisa worked as an investigative analyst at the New York County District Attorney’s Office.


Representing the Special Claims Committee of the Financial Oversight and Management Board for Puerto Rico.

Representing a Mexican national in extradition proceedings to the United States.

Represented individuals in a high-profile FCPA investigation and related US securities class actions litigation regarding alleged corruption in Brazil.

Represented a banker in an FCPA-related investigation regarding alleged bribery in Africa.

Represented an investment advisor and related entities in private securities litigation.

Represented a financial advisor in a tax evasion and wire fraud investigation involving offshore entities.

Represented an executive in an SEC insider trading investigation.

Represented a UK-based accountant in an SEC fraud investigation.

Pro Bono Representations:

Drafting a United States Supreme Court amicus curiae brief on behalf of the Innocence Project relating to the availability of relief from convictions under the writ of error coram nobis for actual innocence.

Representing an unaccompanied child in immigration removal proceedings and in applications for asylum, U nonimmigrant status, and special immigrant juvenile status.


Boston University School of Law - J.D., 2016
Brown University - A.B., 2010

Bar Admissions

New York
Eastern District of New York (EDNY)
Southern District of New York (SDNY)