Ms. Clattenburg has represented clients in business litigation, RICO cases, defamation cases, personal injury, whistleblower actions, Freedom of Information Act (FOIA) litigation, and in response to third party subpoenas in civil litigation.  She has also represented clients in response to grand jury subpoenas and other inquiries from federal enforcement agencies and congressional committees. Prior to joining Levy Firestone Muse LLP, she worked as an attorney for the public interest law firm Public Citizen Litigation Group where she litigated numerous FOIA cases. Ms. Clattenburg has experience in both federal district and appellate courts.

Representative matters include:

• Represented Fusion GPS and its principals in four RICO suits filed against them, all of which the courts have dismissed.  See Trump v. Clinton, Case No. 22-cv-14102-DMM (SDFL Order on Motions to Dismiss Sept. 8, 2022); Nunes v. Fusion GPS, Case No. 1:19-cv-01148-RDA-TCB (EDVA Order of Dismissal with Prejudice Mar. 31, 2021); Nunes v. Fusion GPS, Case No. 1:19-cv-1148-LO-TCB (E.D.VA. Order of Dismissal Feb. 21, 2020); Halvorssen v. Simpson, Case No. 2:18-cv-2684 (ENV) (RLM) (E.D.N.Y. Order of Dismissal with Prejudice Aug. 26, 2019), affirmed by the U.S. Court of Appeals for the Second Circuit (Mar. 18, 2020).
• Represented Fusion GPS and one of its principals, Glenn Simpson, in a defamation case filed against them by Russian oligarchs, Mikhail Fridman, Petr Aven and German Khan. That case is dismissed. Fridman v. Bean LLC, Case No. 1:17-cv-2041-RJL (D.D.C. Stipulation of Dismissal with Prejudice Mar. 18, 2022).
• Co-represented Dr. Dennis Burke, in a whistleblower lawsuit against Massachusetts General Hospital, resulting in a $13 million settlement.
• Represented Fusion GPS and its principals Glenn Simpson, Peter Fritsch and Tom Catan before multiple congressional committees during their inquiries into the Russian government’s interference in the 2016 US presidential elections.
• On behalf of the Rwandan government, Ms. Clattenburg has been part of the team at Levy Firestone Muse LLP that has been investigating the role of the French government in connection with the 1994 Genocide against the Tutsi.

She is a member of the New York and District of Columbia Bars and is admitted to practice in the U.S. District Court for the District of Columbia, the U.S. District Court for the District of Maryland, and the Second, Third and Ninth Circuits.

Ms. Clattenburg served as a law clerk to the Honorable S. Martin Teel, Jr., U.S. Bankruptcy Court for the District of Columbia. During law school, she worked for the Honorable Roger J. Miner of the Second Circuit Court of Appeals. Ms. Clattenburg graduated first in her class, summa cum laude, from Albany Law School and Phi Beta Kappa from Princeton University.