Jonathan M. Baum

Jonathan Baum represents individuals and companies in complex criminal and civil proceedings in federal and state court, as well as in investigations by government enforcement authorities. Jonathan has helped steer clients through grand jury investigations and has defended those charged with federal crimes at all stages. Although many of his cases are resolved out of court, Jonathan has also won favorable outcomes for his clients at trial.

In his federal criminal practice, Jonathan has defended clients charged with a variety of crimes, including economic espionage, wire fraud, bank fraud, money laundering, and gun and drug offenses. Jonathan currently serves on the Criminal Justice Act panel for the Northern District of California. In his state court practice, Jonathan has defended clients charged with offenses including murder, manslaughter, robbery, embezzlement, drug offenses, and other felonies and misdemeanors. 

In addition to his criminal practice, Jonathan has experience in a range of civil litigation, including civil discovery techniques, motion tactics, and settlement strategies. He has worked on high profile personal injury, employment, and business disputes. 

Before joining Clarence Dyer & Cohen LLP, Jonathan worked as a law clerk to the Chief Judge of the United States District Court in Seattle and with a boutique criminal defense firm in Palo Alto. 

Jonathan is a graduate of UC Berkeley School of Law, where he served as Articles Editor of the Law Review. Before becoming a lawyer, Jonathan worked as a speechwriter and political consultant to Bill & Melinda Gates Foundation and the ONE Campaign, the organization founded by U2 singer Bono. He has written speeches for three U.S. Presidents, several U.S. Senators, and the CEOs of Fortune 500 companies. 

Jonathan lives in Oakland with his wife, the Pulitzer Prize-winning journalist Abbie VanSickle, and their two daughters.


Representative Matters

  • United States v. Military Contractor. Jonathan secured a dismissal two weeks before trial for a military contractor charged with conspiracy to commit bribery related to Iraq war reconstruction efforts.
  • Federal Medicare Fraud Investigation. Jonathan represented employees of a Fortune 500 pharmaceutical company in a Medicare fraud investigation.
  • People v. Tech Company Executive. Jonathan was lead trial counsel for a tech company employee charged with a misdemeanor in California state court. All charges were dismissed after a two-week jury trial.
  • United States v. Website CEO. Jonathan represented the CEO of a major website in charges related to money laundering and bank fraud.
  • California Homicide Appeal. Jonathan drafted appellate briefs in the California Court of Appeal, resulting in the overturning of a second-degree murder conviction.

Baum Headshot 4


T: 415.874.4571




  • J.D., UC Berkeley School of Law (2011)
  • M.A., Yale University (2006)
  • B.S., Northwestern University (2002)


Law Clerk to the Hon. Marsha J. Pechman, Chief United States District Judge, W.D. Wash. (2011 – 2013)