John uses creative approaches to achieve results that meet client objectives in complex commercial litigation.


A former Assistant U.S. Attorney, John has tried more than 60 cases to verdict as lead counsel in state and federal courts across the country. He has extensive experience managing business disputes, internal investigations, and all phases of federal criminal investigations from subpoena compliance to defense at trial.

John is a highly experienced trial lawyer representing companies and individuals in business litigation and class actions. He has extensive experience representing financial institutions, manufacturing firms, service providers, and others in matters involving consumer fraud, contract disputes, trade secret matters, legal malpractice, as well as white-collar investigations and prosecutions involving environmental laws, program fraud, False Claims Act, and whistleblower cases.


John won a $31 million verdict in a trade secrets case for longtime firm client, which was affirmed on appeal by the 8th Circuit.

He has represented hospitals, executives and physicians in federal health care fraud investigations and prosecutions.

He has represented professionals in legal and accounting malpractice matters, and regularly consults with the firm's environment lawyers on criminal aspects of federal and state environmental investigations. 

He has prosecuted and defended law firms in legal malpractice matters.

News & Insights


Speaking Engagements

“Criminal Law for Civil Litigators”

“Conducting an Internal Investigation of Potential Corporate Wrong Doing”

“Impeachment Under the Federal Rules of Evidence”

"What to do When the Government Comes Calling”



Listed in The Best Lawyers in America© for more than 25 years (bet-the-company litigation, commercial litigation and white-collar criminal defense).

Chambers USA Guide (litigation: white-collar crime and government investigations – Missouri; Litigation: General Commercial – Kansas City & Surrounds).

Benchmark Litigation ranks John a Local Litigation Star.

Consistently named a Missouri & Kansas Super Lawyer® for business litigation.

Professional & Civic Activities

Professional & Civic Activities

American College of Trial Lawyers, Fellow

Midwest Innocence Project, Board of Trustees

Lawyers Encouraging Academic Performance, Board of Trustees

Volunteer Attorney Project of Legal Aid for Western Missouri, Advisory Board

Fellow, American Bar Foundation

Missouri Bar Foundation

The Coterie Theatre, Advisory Board

St. Paul’s Episcopal Day School, Board of Trustees


  • Missouri
  • Kansas


Georgetown University Law Center, J.D.

  • Georgetown Law Journal, Articles Editor

Cornell University, A.B.

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