Position: Member

TEL: 312-715-5882

FAX: 

Email: Click Here

Website: www.hklaw.com

Admitted: Illinois

Law School: DePaul University College of Law, J.D.

College: University of Notre Dame, M.Div. University of Illinois at Urbana-Champaign, B.A., Political Science, with distinction

Birth Date and Place: 

Practice Areas: White Collar Criminal Defense

Additional Information: 

Mark A. Flessner is a Chicago trial attorney with more than three decades of professional legal experience. He is well-versed in handling sophisticated matters across numerous industry sectors, having represented clients in many areas, including healthcare, retail, manufacturing, insurance and finance. He also has substantial experience investigating wrongdoing within the corporate world.

Mr. Flessner has extensive trial experience, which includes bringing more than 50 cases to verdict and arguing more than 40 cases on appeal. He advises litigation risk and assists clients facing government scrutiny for criminal, civil and regulatory matters. Additionally, Mr. Flessner represents clients facing complex commercial litigation, internal corporate investigations, grand jury inquiries and issues involving the Foreign Corrupt Practices Act (FCPA).

Prior to entering private practice, Mr. Flessner was a federal prosecutor at the United States Attorney's Office in Chicago for 12 years. He led major investigations involving sophisticated and complex financial fraud. His prosecutions included public corruption, bank fraud, insurance fraud, securities fraud, white collar crime, gangs and narcotics cases. Mr. Flessner also has investigated international money laundering, terrorism and cases involving national security.

Firm Members: Trisha Rich