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About me

I represent ONLY employers (management) in all aspects of employment and labor law, involving matters of discrimination, disabilities, worker's compensation, OSHA /safety, wage and hour law, hiring, discipline, firing, drug and alcohol policies, handbooks, family & medical leave, affirmative action, unions, workplace privacy, and many other aspects of work-related law.

I provide a strong defense when claims are made against my clients, but I also advise my clients to act proactively in an effort to reduce or eliminate adverse claims. Therefore, I work with clients in policy and handbook development, internal complaint investigation and resolution, staff training, and other approaches to minimize potential problem situations and provide clear, prompt responses should problems occur.


Practice areas


  1. Employment: 100%
    33 years


Payment types:

Cash, Check, Credit card

Attorney endorsements

2 total 

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  • Summer Hart Murshid

    Attorney Tess-Mattner represented the employer in a federal discrimination case that I represented the Plaintiff in. Her ability to advocate for her client while maintaining a professional and collegial relationship with me was greatly appreciated.


    Summer Murshid Employment & Labor Attorney
    Relationship: Opposing Counsel on matter

  • Robert J. Kasieta

    I endorse this lawyer. Having tried one case against Marna, I appreciate her level of preparation and zealous advocacy for her clients. Just as importantly, she honors the ethical mandate of integrity toward all. A fine lawyer.


    Robert Kasieta Personal Injury Attorney
    Relationship: Opposing Counsel on matter

Contact info

Schmidt, Rupke, Tess-Mattner & Fox, S.C.

17100 West North Avenue - Suite 300
Brookfield, WI, 53005


WIGood Standing198303/01/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
FellowWisconsin Law Foundation2014
Distinguished Alumna AwardCarroll University2014
Leading Lawyer (Employment & Labor Law)M Magazine2014
2013 Top Rated Lawyer in Labor & Employment’American Lawyer Media2013
Wisconsin's Top-Rated LawyersLexisNexis Martindale-Hubbell2012
Phi Kappa PhiCarroll University2011
Top 15 Labor & Employment LawyersWisconsin Law Journal2008
President's Distinguished Service AwardState Bar of Wisconsin1998
AV RatingMartindale-HubbellN/A
Work experience
TitleCompany nameDuration
ShareholderSchmidt, Rupke, Tess Mattner & Fox, S.C.2008 - Present
Vice-president & shareholderBrigden & Petajan, S.C.1993 - 2008
AttorneyGimbel, Reilly, Guerin & Brown, S.C.1983 - 1993
Association namePosition nameDuration
Wisconsin Lawyers Mutual Insurance CompanyBoard of Directors2013 - Present
National Association of College & University Attorneys (NACUA)Member2010 - Present
Carroll University Board of TrusteesChair of Board2010 - 2013
Carroll University Board of TrusteesVice-chair, member2004 - 2010
State Bar of Wisconsin, Public Image CommitteeMember2001 - 2009
Serjeants' InnMember2000 - Present
Police & Fire Commission, CIty of WauwatosaPresident1998 - Present
Master Singers of Milwaukee, Inc.Vice President1996 - 2009
Master Singers of Milwaukee, Inc.Member1994 - Present
State Bar of Wisconsin Board of GovernorsChair and Member1992 - 2000
State Bar of Wisconsin, Communications CommitteeMember, Former Chair1986 - 2014
Milwaukee Bar AssociationMember1983 - Present
Association for Women LawyersMember1983 - Present
State Bar of Wisconsin, Labor & Employment Law SectionMember1983 - Present
State Bar of WisconsinMember1983 - Present
Publication nameTitleDate
GPSolo Magazine (ABA)Eight Danger Areas for Employers: Advising Your Business Clients on Employment Issues2004
Wisconsin LawyerInterlocutory Appeals in Wisconsin1993
School nameMajorDegreeGraduated
Marquette University Law SchoolLawJD - Juris Doctor, cum laude1983
Carroll College Waukesha, WISocial WorkBS - Bachelor of Science1975
Speaking engagements
Conference nameTitleDate
Carroll University classes - Adjunct Professor (2001-2004)Employment law, Business law2004
Multiple seminars and lectures on labor and employment topics.Discrimination, harassment, FMLA, disabilities, and more.N/A