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Jonathan Daniel Marks

Jonathan Daniel Marks

Practice areas:

Family, Divorce & Separation, Child Custody, Child Support

Practice Areas

Licensed since 1998

  1. Child Support: 25%
    17 years
  2. Child Custody: 25%
    17 years
  3. Divorce & Separation: 25%
    17 years
  4. Family: 25%
    17 years


Payment Types:

Cash, Check, Credit Card

Attorney Endorsements

7 total 

  • John David Kershman Sr.

    I endorse this lawyer.


    John Kershman Child Custody Attorney
    Relationship: Fellow lawyer in community

  • Michael S. Waddington

    I endorse Jonathan. He is a highly skilled attorney that is well respected in the legal community.


    Michael Waddington Military Law Attorney
    Relationship: Fellow lawyer in community

Contact Info

4 CityPlace Drive
Suite 497
St. Louis, MO, 63141



ILActive And Authorized To Practice Law199908/17/2015
MOGood Standing, Active199801/08/2013

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.

Avvo Contributions

Legal Answers


Award NameGrantorDate Granted
Missouri Super LawyerSuper Lawyers2014
Top 100 Matrimonial and Family LawyersThe National Advocates2014
Top 10 AttorneysNational Academy of Family Law Attorneys2014
Top 100 LawyersAmerican Society of Legal Advocates2014
AV Preeminent 5.0 out of 5 Peer Review RatedMartindale-Hubbell2014
AV Preeminent 5.0 out of 5 Peer Review RatedMartindale-Hubbell2013
Super LawyerMissouri Super Lawyers2013
Lead Counsel CertifiedLaw Info2013
Super Lawyers Rising StarMissouri Super Lawyers2011
Super Lawyers Rising StarMissouri Super Lawyers2010
Super Lawyers Rising StarMissouri Super Lawyers2009
Super Lawyers Rising StarMissouri Super Lawyers2008
Missouri's Up & Coming LawyersMissouri Lawyer's Weekly2008

Work Experience

TitleCompany NameDuration
Attorney at LawThe Marks Law Firm, L.L.C.1998 - Present


Association NamePosition NameDuration
First Amendment Lawyers AssociationMember2000 - Present
Illinois State Bar AssociationMember1999 - Present
Missouri State Bar AssociationMember1998 - Present
American Bar AssociationMember1998 - Present
Bar Association of Metropolitan St. LouisMember1998 - Present
St. Louis County Bar AssociationMember1998 - Present

Legal Cases

Case NameOutcome
Barzilay v. BarzilayN/A
Barzilay v. BarzilayN/A
J.C.W. and T.D.W., Minors, by their next friend, Kelly K. Webb v. Jason L. WyciskallaN/A

See all Legal Cases 


School NameMajorDegreeGraduated
University of Missouri - Columbia School of LawLawJD - Juris Doctor1997
University of Missouri - Columbia School of JournalismJournalismBJ - Bachelor of Journalism1993

Speaking Engagements

Conference NameTitleDate
TIAM WeekendCustody Battle Thanks to McDonald's2013
STL MomsLegal Procedures for Adopting a Child2013
STL MomsDivorce and College Costs2013
STL MomsWho Pays the Divorce Bill2013
STL MomsWho Pays for Private School in Divorce2013
Kelley and Cassandra, LIVEWhat it Takes to Adopt a Child2013
International Visitor Leadership ProgramThe Hague Convention on the Civil Aspects of International Child Abduction2013
Fox 2 NewsChild Support and Taxes2013
Technology in the Legal ProfessioniPad for St. Louis County Lawyers2012
Journey of DiscoveryPrenuptial and Postnuptial Agreements2012