Senior Leadership

Kimberly Hopkins
Executive Assistant U.S. Attorney

Ms. Hopkins became the Executive Assistant U.S. Attorney for the Northern District of California on March 14, 2022. Prior to her appointment to this role, Ms. Hopkins served for nearly 10 years as a Criminal Division Assistant U.S. Attorney in the San Francisco district office, including as a member of the Asset Forfeiture section from October 2012 to January 2014, the Strike Force and Violent Crime section from January 2014 to September 2018, the Special Prosecutions and National Security section from September 2018 to July 2020, and the Corporate and Securities Fraud section from July 2020 to February 2022. Prior to joining the Northern District of California, Ms. Hopkins served for four years as an AUSA in the Violent Crime unit of the District of Arizona’s U.S. Attorney’s Office. Ms. Hopkins is a graduate of UCLA and Boston College Law School.

Martha Boersch
Chief, Criminal Division

Martha Boersch previously served for twelve years as an Assistant United States Attorney for the Northern District of California.  During her career as a federal prosecutor, she worked as Chief of the Organized Crime Strike Force (2002-2004) and the Chief of the Securities Fraud Unit (2001-2002).  She was the U.S. Attorney’s Office’s International Security Coordinator and spent a summer in Moscow for the Department of Justice’s Office of International Affairs. In 2009, Martha was awarded the Attorney General’s Distinguished Service Award, the Department of Justice’s second highest award for employee performance, for her work on a complex international money laundering prosecution involving the former Prime Minister of the Ukraine. 

After her service with the Department of Justice, Martha spent several years as a litigation partner at the international law firm of Jones Day, and then founded her own boutique defense firm with several partners. As a criminal defense lawyer, Martha represented clients in numerous federal jury and bench trials and has argued more than a dozen cases in the United States Court of Appeals for the Ninth Circuit.  Martha has deep experience in a broad range of white-collar charges, including mail and wire fraud, money laundering, economic espionage, computer fraud and abuse, racketeering, foreign bribery, antitrust, and federal forfeitures.  She also has worked extensively on international criminal matters, particularly related to former Soviet Bloc countries, such as Russia, Ukraine, and Romania.

Martha is a Fellow of the American College of Trial Lawyers and the International Academy of Trial Lawyers. She is an Order of the Coif graduate of the Berkeley School of Law and a Phi Beta Kappa graduate from the University of Oregon with a degree in Russian Language and Literature.

Pamela Johann
Chief, Civil Division

Pam Johann joined this office in October 2016 and has been the Chief of the Civil Division since September 2024.  Prior to serving in this role, she was a Deputy Chief of the Civil Division for three years.  Pam started her legal career as a law clerk to the Honorable James B. Moran, Chief Judge of the United States District Court for the Northern District of Illinois.  She then worked as a general civil litigator in private practice, and was a partner at Howard, Rice, Nemerovski, Canady, Falk & Rabkin.  Pam is a graduate of Williams College and Harvard Law School.