Jon Cieslak


+1 858 550 6107

Jon Cieslak represents clients in complex business litigation and white collar criminal defense. His civil practice focuses on antitrust and unfair competition litigation, consumer class actions and commercial contracts disputes. He also defends individuals and companies facing criminal sanctions in state and federal court, including criminal fraud, False Claims Act and Sherman Act prosecutions and investigations.

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  • DOJ Settles Discrimination Case with Immigration Judge 

  • Canadian/Israeli Businessman Nathan Jacobson Successfully Defended, Charges Dismissed 


  • University of California, Los Angeles School of Law
    JD, 2009

  • Princeton University
    ABA, 1999

Admissions & Credentials



  • American Inns of Court

  • San Diego County Bar Association

  • State Bar of California


+1 858 550 6107 office
+1 858 550 6420 fax

4401 Eastgate Mall
San Diego, CA 92121-1909