O'Brien, Michael S.

7905 Forsyth BoulevardSt. Louis (Clayton), MO 63105- 3808

Updated: 04/30/2012


Mike has practiced law in Clayton for the past 19 years. Mike and his wife Raelene have been married 17 years and have 2 children. Mike and his family reside in Webster Groves and are parishioners of St. Dominic Savio Church.

Office Info

Current Employment Position(s)

  • Solo Practitioner

Frequent Case Types

Practice Areas

  • Driving with a Suspended/Revoked License
  • DWI Expungement
  • Family Law
  • Divorce/Dissolution of Marriage
  • Legal Separation
  • Modification of Family Court Orders
  • Paternity Cases
  • Adult Abuse Cases
  • Child Order of Protection Cases
  • Criminal Defense
  • Traffic Violations and Speeding Tickets
  • Municipal Ordinance Violations and Misdemeanors
  • Notary Public


Bar Admissions

  • Missouri, 1992
  • U.S. District Court Eastern District of Missouri, 1995

Other Affiliations

  • The Missouri Bar
  • St. Louis County Bar Association, 2005 - Present (Executive Committee / President)
  • St. Louis County Bar Association, 1994 - Present
  • Business Networking International (BNI), 2002 - Present
  • Business Networking International (BNI), 2004 (President)
  • US Lacrosse - Missouri Chapter President, 2010 - Present

Pro Bono Activities

  • Head Varsity Lacrosse Coach, Clayton High School, 1997 - Present
  • Head Coach CYC Youth T-Ball, 2006
  • Assistant Coach CYC Youth Soccer, 2004
  • Committee Member, James M. Stratton Memorial Fund (which raised over $25,000 for CYC programs), 1996 - 2003
  • Assistant Coach CYC Youth Lacrosse, 2011 - Present

Past Positions

  • Schumaier & Sluggett, Attorneys at Law, Attorney, 1992 - 1994


  • Drake University Law School, Des Moines, Iowa, 1992
    Juris Doctorate (J.D.)
  • Drake University College of Business and Public Administration, Des Moines, Iowa, 1992
    Masters in Business Administration (M.B.A.)
  • University of Missouri at Columbia, Columbia, Missouri, 1988
    Bachelor, Business Administration (B.A.)
  • Horton Watkins (Ladue) High School, Saint Louis, Missouri, 1984


Accepts Credit Cards

Office Information


7905 Forsyth BoulevardSt. Louis (Clayton), MO 63105- 3808

Office Hours

Monday-Friday, 9:00 a.m. - 5:00 p.m. and by appointment


  • 314-721-6485


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