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Sirena Castillo
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Last updated: 10/23/2017
Ms. Sirena Castillo
Majority Firm Member - Individual User
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Manatt, Phelps & Phillips, LLP
11355 W Olympic Blvd
Los Angeles
90064  United States
 [ Map ]
310 3124336 (Phone)
  Corporate Investigations, Government Investigations, White Collar Criminal Defense
  Sirena Castillo is an associate with the litigation group in the Los Angeles office. Her practice focuses on business and commercial litigation. Sirena has represented a wide variety of clients in state and federal courts, including clients in insurance, healthcare, and banking industries. She has experience defending nationwide consumer class actions and unfair competition actions.

Sirena has experience advising and defending entities in a variety of white collar criminal matters, regulatory enforcement matters, and internal investigations. Her white collar defense practice includes the representation of corporations at all phases of government investigations, including responding to grand jury subpoenas and civil investigative demands. Sirena also conducts internal investigations for corporations in response to allegations of misconduct or in response to government inquiries.

Prior to joining Manatt, Sirena was an import policy analyst with the Department of Commerce’s International Trade Administration, where, as a part of the Antidumping and Countervailing Duty Petition Counseling and Analysis Unit, she advised U.S. industries and assisted in the initiation of petitions to address violations of U.S. unfair trade laws. Sirena also served as a policy advisor to the Acting Assistant Secretary for Import Administration, the head of the International Trade Administration’s lead unit on enforcing trade laws and agreements regarding imports. She also served as a Judicial Extern for the Hon. Dale S. Fischer in the United States District Court for the Central District of California.
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