Jack tries complex cases involving intellectual property, product liability and commercial issues before various state and federal courts.
He is a past chairman of Thompson Coburn and serves as the Firm’s general counsel.
- Product Liability Advisory Council
- National Association of Railroad Trial Counsel
- Past Member, National Executive Committee
- Defense Research Institute
- Missouri Organization of Defense Lawyers
- American Bar Association
- The Missouri Bar
- Bar Association of Metropolitan St. Louis
- American Board of Trial Advocates
- American College of Trial Lawyers
- International Academy of Trial Lawyers
- Missouri and Kansas Super Lawyers 2005-2021 (by Thomson Reuters)
- Selected for inclusion in The Best Lawyers in America®, 2003-2025 (by BL Rankings)
- Thompson Coburn LLP
- Senior Counsel, 2021-Present
- Partner, 1973-2021
- Coburn Croft Managing Partner, 1982-1996
- Thompson Coburn Managing Partner, 1996-2002
- Associate, 1968-1973