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Kevin Michael Costello Esquire





Kevin Costello was admitted to the Bar in 1991 and is a founding Member of Costello & Mains, LLC, a full-state Employment, Complex Personal Injury, School Bullying, Worker’s Compensation and Civil Rights trial firm in Mount Laurel.  He’s one of the approximately 5% of trial lawyers Certified as a Civil Trial Attorney by the New Jersey Supreme Court.  He’s currently the President of the New Jersey Association for Justice (NJAJ).  He is a member of the American Association for Justice’s (AAJ) Council of Presidents.

Kevin is a founding and past chair of NJAJ’s Employment Section, is a present PAC and Education Foundation Trustee for NJAJ, and has served as an NJAJ officer since 2011.  He has also served as a CLE faculty member for NJAJ for decades.

Kevin is a present Trustee of the Camden County Bar Association, is a founding and past Chair of the CCBA’s Labor & Employment Committee, has served as a Chair for multiple state and local bar association committees, and has chaired or served as a speaker for in excess of 70 CLE events on trial work, employment, complex personal injury, school rights and civil rights.  Kevin is presently the Diversity, Equity & Inclusion Chair for CCBA Committee as well as NJAJ’s committee.  Also Chair of Civil Rights Committee for CCBA.  He has made numerous appearances on local and national radio and television to discuss employment and civil rights and has been published on dozens of occasions on the same subjects.  He’s spoken often to organized labor organizations, civic groups, advocacy groups and professional associations on civil and employment rights.

He’s been named to the Million Dollar Advocates’ Forum as well as to the Multi-Million Dollar Advocates’ Forum, has been awarded the Roosevelt Nesmith Civil Rights Award by the Southern Burlington County NAACP, the “Champions of Equality” Award” by Garden State Equality, has been named a “Super Lawyer” in Employment Law for over eleven consecutive years, a “Top 100 Trial Lawyers” by The National Trial Lawyers’ Association and has been given a “BV Distinguished Rating in Legal Ability and Ethics Standards” and “BV Distinguished Peer Rating” by Martindale-Hubbell.

Certified Legal Specialties

  • Certified by the Supreme Court of New Jersey as a Civil Trial Attorney, 2002-Present

Bar Admissions

  • New Jersey


  • Suffolk University Law School, Boston, Massachusetts
    • J.D. - 1991
    • Honors: Dean’s List
    • Honors: Best Oral Advocate Award
    • Honors: Transnational Law Journal Membership
  • Brandeis University, Waltham, Massachusetts
    • B.A. - 1988
    • Honors: Dean’s List
    • Major: Political Science

Honors and Awards

  • Roosevelt Nesmith Civil Rights Award, Southern Burlington County NAACP, 2014
  • “Champions of Equality” Award, Garden State Equality, 2006
  • SJ Magazine “Rising Stars, Top Lawyer Under 40,” published by Thomas Reuters 2006
  • SJ Magazine “Super Lawyer,” published by Thomas Reuters 2007 - 2020
  • “Top 100 Trial Lawyers,” The National Trial Lawyers’ Association 2010-2015
  • 2015 and 2016 “BV Distinguished Rating in Legal Ability and Ethics Standards” By Martindale-Hubbell
  • 2011 10 Year “BV Distinguished Peer Rating” by Martindale-Hubbell