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 representing organizations and individuals in business disputes, internal investigations, and all phases of federal criminal investigations from subpoena compliance to defense at trial. He has represented 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

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

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 Missouri Lawyers Media POWER List for Business Defense Attorneys

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).

Recognized as a Local Litigation Star by Benchmark Litigation.

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

Professional & Civic Activities

Professional & Civic Activities

American College of Trial Lawyers, Fellow

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

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

Fellow, American Bar Foundation

Missouri Bar Foundation

The Coterie Theatre, Advisory Board


  • Missouri
  • Kansas


Georgetown University Law Center, J.D.

  • Georgetown Law Journal, Articles Editor

Cornell University, A.B.

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