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About me

An experienced business litigator, Bill serves as outside general counsel to national companies and to many small and large privately-held businesses that are headquartered in St. Louis.

A former president of the Missouri Bar, Bill's litigation skills and legal acumen have gained him national recognition. He was recently recognized by his peers as one of the Top 50 Lawyers in St. Louis. Additionally, Bill is named in the 2013 edition of The Best Lawyers in America, the Super Lawyers 2013 list of top Missouri and Kansas attorneys and ChambersUSA: America's Leading Lawyers in Business 2013.

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Practice areas


  1. Litigation: 25%
  2. Business: 25%
  3. Defective Products: 25%
  4. Social Security: 25%

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Contact info

Armstrong Teasdale LLP

7700 Forsyth Boulevard
Suite 1800
St. Louis, MO, 63105


ILActive And Authorized To Practice Law198605/11/2016
MOGood Standing, Active198501/08/2013
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
RecognizedBest Lawyers in America2010
RecognizedBest Lawyers in America2009
RecognizedMissouri & Kansas Super Lawyers magazine2009
RecognizedBest Lawyers in America2008
RecognizedMissouri & Kansas Super Lawyers magazine2008
RecognizedBest Lawyers in America2007
RecognizedBest Lawyers in America2006
RecognizedBest Lawyers in America2005
AV RatedMartindale-HubbellN/A
Outstanding Young Lawyer AwardSt. Louis County Bar AssociationN/A
Work experience
TitleCompany nameDuration
PartnerArmstrong Teasdale LLP1990 - Present
Association namePosition nameDuration
Missouri BarPresident of the Trustees2005 - Present
National Conference of Bar PresidentsExecutive Council2006 - 2009
American Bar Association, House of DelegatesDelegate2006 - 2010
Missouri BarPresident2003 - 2004
Publication nameTitleDate
Journal of the Missouri BarCivil Actions for the Misappropriation of Electronic Data: The Missouri and Federal Computer Tampering Acts2009
Business Torts Journal (ABA)Defenses to Enforcement of Non-Compete Agreements2008
In-House Defense Quarterly (DRI, Defense Research Institute)Non-Compete Agreements and Unfair Competition2007
Journal of the Missouri State Medical AssociationNon-Compete Agreement in the Health Care Profession Upheld2007
Journal of The Missouri BarNon-Compete Agreements and Unfair Competition - An Updated Overview2006
Journal of The Missouri BarTrade Secret Litigation - An OverviewN/A
School nameMajorDegreeGraduated
University of Missouri School of LawLawJD - Juris Doctor1985
Notre Dame UniversityN/AB.B.A.1981
Speaking engagements
Conference nameTitleDate
U.S. Law Firm Group ConferenceTrade Secrets and Non-Compete Issues in Franchising2008
Association of Corporate Counsel - St. Louis Chapter CLEProtecting the Company's Crown Jewels: Customers and Trade Secrets2008
Cutting Edge Issues for In-House Counsel, CLE SeminarUnfair Competition - Non-Competes, Trade Secrets & Intellectual Property2007
The Missouri Bar's Annual Meeting/Judicial ConferenceConvenants Not to Compete to Protect Trade Secrets and Proprietary Information2006
The Missouri Bar; St. Louis Society of CPAsLitigation Between Majority and Minority Business OwnersN/A