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About me

Katie has over a decade of experience practicing general civil and employment litigation, representing individuals and small businesses in litigation, arbitration and administrative proceedings before state and local agencies. Katie has successfully handled cases in state and federal courts involving a comprehensive array of claims, including wage and hour, breach of contract; workplace harassment; discrimination based on age, disability, sex, race, national origin, religious creed, and other protected categories; retaliation; violations of the Family and Medical Leave Act and California Family Rights Act; wrongful discharge; and others. She is a member of the state bars of California, Michigan and Massachusetts, and a member of the San Mateo County Bar Association. 

Katie obtained her Bachelor of Arts from the University of Michigan (1999) and her JD from The University of Michigan Law School (2002), where she served as Associate Editor for The Michigan Journal of International Law. She has completed academic externships in Seville, Spain and London, England, and both during and after law school, she has worked with non-profit legal organizations helping workers to defend their rights.

Katie also authored an article, with the assistance of her two partners, that was published in Plaintiff Magazine in June 2015. The article is titled "The Equal Opportunity Bully," and details the lack of effective legal measures to combat workplace bullying. Click here to check it out..

When not assisting her clients, Katie enjoys traveling with her family, hiking Bay Area trails with her energetic dog, and training for endurance races.


Languages spoken: English, Spanish

Practice areas


  1. Employment & Labor: 90%
    0 years
  2. Personal Injury: 10%
    0 years



Free consultation (15 minutes)

Attorney endorsements

4 total 

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  • Rebecca Grace Lewallen Kagin

    I strongly recommend Katherine Anne Debski and her firm. Ms. Debski and her law partners are compassionate, competent, hardworking attorneys.


    Rebecca Kagin Employment & Labor Attorney
    Relationship: Fellow lawyer in community

  • Laura Margaret Mazza

    I am extremely lucky to call Katie my law partner and friend. She is not only a wonderful person, but a truly exceptional attorney. She fights vigorously for her clients but is always respectful and professional. Her ability to impress and disarm her opponents has led to great outcomes for her clients. She is an incredible asset to our firm and I look forward to many more years of working together.


    Laura Mazza Employment & Labor Attorney
    Relationship: Co-worker

Contact info

Bain Mazza & Debski LLP

951 Mariners Island Blvd Ste 300
San Mateo, CA, 94404-1560


MIActive And In Good Standing200311/03/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Work experience
TitleCompany nameDuration
PartnerBain Mazza & Debski LLP2014 - Present
Associate AttorneyPierce & Shearer LLP2012 - 2014
Association namePosition nameDuration
San Mateo Bar Association, Labor and Employment SectionMember2014 - Present
California Employment Lawyers AssociationMember2014 - Present
San Mateo County Bar AssociationMember2014 - Present
Attorneys Bettering the CommunityMember2014 - Present
Publication nameTitleDate
Plaintiff Magazine (California)The Equal Opportunity Bully2015
School nameMajorDegreeGraduated
University of Michigan Law SchoolLawJD - Juris Doctor2002
University of Michigan, Ann ArborEnglish LiteratureBA - Bachelor of Arts1999