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About me

Wendy M. Musielak attended DePaul University in Chicago, IL where she graduated with highest honors with a B.S. in Finance and Management.  She earned her Juris Doctorate from DePaul University College of Law in 2003. Wendy is admitted to practice law in the U.S. District Court Northern District of Illinois.


Wendy concentrates her legal practice in family law matters including child custody and visitation, child support, alimony and spousal support, collaborative law, mediation, prenuptial agreements, litigation and appeals and complex litigation. Prior to being a partner with Esp Kreuzer Cores LLP, Wendy was a Staff Attorney for the 18th Judicial Circuit Court and an Adjunct Professor for DePaul University’s Department of Management.


In 2013, Wendy was selected as the DuPage County Bar Association’s Lawyer of the Year for her commitment to her community and local legal associations. Wendy is a member of the DuPage County Bar Association, Illinois State Bar Association, Will County Bar Association and the International Academy of Collaborative Professionals. She is also a member and director of the DuPage Association of Women Lawyers. Additionally, Wendy is a fellow for the Collaborative Law Institute of Illinois and past TEC Committee member. In 2014, Wendy earned the recognition of a Super Lawyers Rising Star.


Practice areas


  1. Divorce & Separation: 25%
    9 years
  2. Child Support: 25%
    9 years
  3. Child Custody: 25%
    9 years
  4. Family: 15%
    9 years
  5. Alimony: 10%
    9 years



Retainer (always)

Payment types:

Cash, Check, Credit card

Attorney endorsements

14 total 

Are you an attorney? Endorse this lawyer

  • Mark V. Clay

    I highly endorse Mrs. Musielak. Very knowledgeable and caring attorney who gets great results in representing clients! I want all people with legal problems to contact her first.


    Mark Clay Immigration Attorney
    Relationship: Fellow lawyer in community

  • Joseph Pierce O'Brien

    Wendy is always prepared and organized. She is very professional and courteous to deal with.


    Joseph O'Brien Divorce & Separation Attorney
    Relationship: Opposing Counsel on matter

Contact info

Esp Kreuzer Cores , LLP

400 S. County Farm Road Suite 200
Wheaton, IL, 60187

Esp Kreuzer Cores, LLP

20 N. Wacker Drive
Suite 1860
Chicago, IL, 60606-2905

Esp Kreuzer Cores, LLP

123 W. Washington Street
Suite 334
Oswego, IL, 60543-8880



ILActive And Authorized To Practice Law200311/12/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Illinois Super Lawyers Rising StarSuper Lawyers2014
Lawyer of the YearDuPage County Bar Association2013
Work experience
TitleCompany nameDuration
PartnerEsp Kreuzer Cores, LLP2011 - Present
Associate AttorneyEsp, Kreuzer, Cores & McLaughlin, LLP2006 - 2011
Adjunct ProfessorDePaul University2005 - 2005
Staff Attorney18th Judicial Circuit Court2004 - 2006
Association namePosition nameDuration
Eigtheenth Judicial Circuit CourtMember - Legal Access Committee2012 - Present
DuPage County Bar AssociationMember, Planning Committee2012 - Present
Dupage County Bar Association, Membership CommitteeChair2012 - Present
Dupage County Bar Association, Membership CommitteeVice Chair2011 - 2012
DuPage Associate of Women LawyersDirector2011 - Present
DuPage Association of Women LawyersMember2010 - Present
TEC Committee - Collaborative Law Institute of IllinoisCommittee Member2009 - 2010
International Academy of Collaborative ProfessionalsMember2009 - Present
Collaborative Law Institute of IllinoisFellow2009 - Present
Will County Bar AssociationMember2006 - 2012
DuPage County Bar Association, Family Law and Practice CommitteeMember2006 - Present
DuPage County Bar AssociationMember2004 - Present
Illinois State Bar AssociationMember2003 - Present
School nameMajorDegreeGraduated
DePaul University College of LawLawJD - Juris Doctor2003
DePaul UniversityFinanceBS - Bachelor of Science1999
DePaul UniversityManagementBS - Bachelor of Science1999
Speaking engagements
Conference nameTitleDate
DuPage County Bar Association, Young LawyersEffective Arguing & Communication2012
DuPage County Bar Association MCLECustody and Removal -How to Effectively Make Your Case2011
DuPage County Bar Association, Family Law and Practice CommitteeContempt, Petitions for Rule to Show Cause and Discovery2010