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About Me

After graduating from St.Louis Universtiy School of Law in 1986, I handled predominantly criminal defense matters for the first 2-3 years logging 17 jury trials over that period. Starting in 1989, I began handling personal injury claims throughout Missouri and Illinois quickly finding myself litigating claims for my clients. Since forming my firm with my partners, Gary Kullmann and Andy Klein, the majority of my practice has been focused at a trial attorney representing families who have lost a loved one due to the negligence of others as well as individuals who have suffered significant physical injuries and economic harms and losses through no fault of their own


Photos and Videos

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Practice Areas


  1. Personal Injury: 60%
    27 years
  2. Wrongful Death: 15%
    27 years
  3. Workers Compensation: 15%
    27 years
  4. Criminal Defense: 10%
    29 years



Contingent (20-40%), Fixed (Sometimes), Free Consultation (60 minutes)

Attorney Endorsements

35 total 

  • Michael Paul LeMond

    I endorse Steven. Highly respected in the legal community with a strong reputation for client advocacy and dedication.


    Michael LeMond Criminal Defense Attorney
    Relationship: Fellow lawyer in community

  • Jonathan Pierre Lacour

    Keen attention to detail with exceptional client service. I endorse this lawyer.


    Jonathan Lacour Business Attorney
    Relationship: Fellow lawyer in community

Contact Info

Kullmann, Klein & Dioneda, PC

7777 Bonhomme Ave Ste 2301
The Sevens Building
Saint Louis, MO, 63105-1938


ILActive And Authorized To Practice Law198708/17/2015
MOGood Standing, Active198601/08/2013

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Award NameGrantorDate Granted
AV Preeminent 5.0 out of 5 Peer Review RatedMartindale-Hubbell2015
Top ContributorAVVO2015
Client's Choice Awardavvo.com2014
Top ContributorAVVO2014
Best of CLE Spotlight: Recognizing Outstanding LeadershipMissouri Bar Association2014
Work Experience
TitleCompany NameDuration
PartnerKullmann, Klein & Dioneda PC1990 - Present
Association NamePosition NameDuration
Illinois State Bar AssociationN/A1987 - Present
Missouri BarN/A1986 - Present
Missouri Association of Criminal Defense LawyersN/AN/A
Missouri Association of Trial AttorneysN/AN/A
Illinois Trial Lawyers AssociationN/AN/A
Legal Cases
Case NameOutcome
Marissa Hogan v. Cairo Illinois Police Department, et al1.8 Million Dollar Settlement
See all Legal Cases 
Publication NameTitleDate
Missouri Bar CLE PublicationEvidence: Everything You Do Matters2012
School NameMajorDegreeGraduated
Saint Louis University School of LawLawJD - Juris Doctor1986
Southern Illinois UniversityPolitical ScienceMA - Masters1983
University of Missouri, St. LouisPolitical ScienceBA - Bachelor of Arts1982
Speaking Engagements
Conference NameTitleDate
Evidence at TrialEvidence-Everything You Do MattersN/A