Jan Handzlik is an accomplished investigations and trial lawyer with a national and international practice. He represents individuals and companies in criminal investigations and prosecutions, regulatory actions and complex civil litigation. Jan also coordinates cross-border criminal investigations with civil, regulatory and administrative proceedings, and conducts corporate internal investigations.

An experienced trial lawyer, Jan has tried well over one hundred jury trials and numerous bench trials to verdict in the United States Federal and State courts. He is a recognized authority on financial fraud, transnational crime and federal criminal practice. Jan’s practice includes matters involving civil and criminal securities fraud, investment fraud, bank fraud and money laundering, tax fraud, cybercrime and currency trading, public corruption and commercial bribery. His expertise extends to investigations and criminal prosecutions under the Racketeer Influenced and Corrupt Organizations Act (RICO) as well as bribery and record keeping offenses under the U.S. Foreign Corrupt Practices Act (FCPA) and U.K. Bribery Act.

With the U.S. Department of Justice, Jan served in the United States Attorney’s Office in Los Angeles. As a federal prosecutor in the Major Fraud & Special Prosecutions Section, he conducted grand jury investigations and prosecuted federal criminal cases at trial and on appeal. Subsequently, Jan was one of the first independent law compliance monitors appointed under the FCPA. In that position, he monitored and reported on the operations of a Swiss multinational corporation for three years. Jan also successfully defended clients, a corporation and its CEO, in a seminal FCPA prosecution, U.S. v. Lindsey Manufacturing Company, et al.

Jan has been recognized in numerous national and international publications including, through 2026, all thirty-two editions of Best Lawyers in America, a respected peer review journal for the U.S. legal profession. Handzlik & Associates has again been recognized in its companion publication, Best Law Firms in America, in its 2026 edition.

Lexology Index, formerly Who’s Who Legal, and Global Investigations Review, both published in the U.K., have again recognized Jan as a Who’s Who Legal Thought Leader: GIR 2025 in Business Crime Defence. These respected publications identify law firms and “practitioners [who] are among the very best in the world in their respective fields, without exception.” Based on thousands of votes and nominations, Lexology Index and GIR rank Jan as one of the “world’s foremost… business crime defence…lawyers.”

Jan has been recognized in Euromoney’s Expert Guides, published in the U.K., as one of the leading criminal defense practitioners in the United States. California’s leading legal newspaper, The Daily Journal, named Jan one of the “Top 100 Lawyers in California,” an honor given to “…the state’s most influential attorneys.” He also received a California Attorney of the Year Award (the CLAY Award) from California Lawyer Magazine for “extraordinary achievement” in criminal law. The National Association of Criminal Defense Lawyers (NACDL) presented Jan with its White-Collar Criminal Defense Award.

The Criminal Courts Bar Association of Los Angeles honored Jan with the Johnnie L. Cochran Jr. Memorial Award, presented for “exemplary commitment, exceptional skill and great achievement benefiting both his clients and the criminal justice community.” He has been recognized in the Thomson Reuters’ publication, Super Lawyers, as a leading white-collar criminal defense lawyer for over 20 years. Jan received further recognition from The American Lawyer Magazine, Chambers USA: America’s Leading Lawyers and Martindale-Hubbell, which rates him AV Preeminent, Peer Rated for Highest Level of Professional Excellence.

Jan is deeply involved in bar association and public service activities. He served as Co-Chair of the International Bar Association’s Business Crime Committee for two years. In that position, he helped organize and present the IBA’s Annual Transnational Crime Conference and mock trials at the IBA’s Annual Conference in Austria, Panama and Washington, DC.

Jan served as National Chair of the American Bar Association’s National White Collar Crime Committee for two years. He was also on the Governing Council of the ABA’s Criminal Justice Section for six years and the ABA President’s Task Force on the Attorney-Client Privilege for five years. Jan has also served as an officer of ABA’s International Law Section and the International Anti-Corruption Committee and International Criminal Law Committee.