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Mark Dean

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Practice areas


  1. Social Security: 25%
  2. Personal Injury: 25%
    20 years, 500 cases
  3. Wrongful Death: 25%
    21 years
  4. DUI & DWI: 15%
    20 years, 500 cases
  5. Workers Compensation: 10%



Contingent (20-40%), Fixed (sometimes), Free consultation (30 minutes)

Payment types:

Cash, Check, Credit card

Attorney endorsements

30 total 

Are you an attorney? Endorse this lawyer

  • Christopher Andrew Allen

    Mark is a top tier attorney. I know that when I send clients his way, he will get them the best possible outcome. I gladly endorse this lawyer.


    Christopher Allen Trucking accident Attorney
    Relationship: Fellow lawyer in community

  • Judd S Nemiro

    This lawyer truly cares about clients and helping others. I endorse this lawyer.


    Judd Nemiro Divorce and separation Attorney
    Relationship: Other

Contact info

The Law Offices of Mark Dean

12747 Olive Blvd., Ste. 300
St Louis, MO, 63141


ILActive And Authorized To Practice Law199608/10/2016
MOGood Standing, Active199501/08/2013
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Top 100 LawyersAmerican Society of Legal Advocates2014
Top 100 Trial LawyersNational Trial Lawyers2014
Cum Laude GraduateSaint Louis University School of Law1995
Managing Editor Law JournalSaint Louis University School of Law1994
Work experience
TitleCompany nameDuration
AttorneyLaw Offices of Mark Dean2009 - Present
AttorneyBarklage Brett2008 - 2009
AttorneyThe Hartford Insurance Co.2004 - 2008
AttorneySeibel & Eckenrode2002 - 2004
NCAA Compliance OfficerSt. Louis University2000 - 2002
AttorneyLashly & Baer1998 - 2000
Judicial Law ClerkSt. Louis County Judicial Law Clerk1997 - 1997
Assistant Attorney GeneralMissouri Attorney General1995 - 1997
Association namePosition nameDuration
National Association of Criminal Defense LawyersMember2013 - Present
National Organization of Social Security Claimants RepresentativesMember2013 - Present
7th Circuit Court of AppealsMember2009 - Present
Bar Association of Metropolitan St. LouisMember2005 - Present
Illinois State Bar AssociationMember1996 - Present
ARDC, IllinoisMember1996 - Present
Missouri State Bar AssociationMember1995 - Present
United States District Court, Eastern District of MissouriMember1995 - Present
United States District Court Western District of MissouriMember1996 - 1998
Publication nameTitleDate
St. Louis University Law JournalSmith v. United States: Justice Denied Under the FTCA1994
School nameMajorDegreeGraduated
Saint Louis University School of LawLawJD - Juris Doctor1995
University of California - Los AngelesHistory/Political ScienceB.S.1991
Speaking engagements
Conference nameTitleDate
Handling First DUI CaseDWI2011