San Francisco: (415) 771-6400 | Oakland: (510) 272-0169

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Attorney Profiles:

Ari Krantz

Ari Krantz

Phone: 510.628.6410

Fax: 510.272.0174


Ari Krantz is a partner at Leonard Carder, where he advises and represents employees, labor unions, nonprofits and community coalitions. Mr. Krantz litigates cases at all levels of the state and federal courts, as well as in administrative proceedings and in arbitration. Mr. Krantz’s practice includes work on legislative and regulatory reform, free speech and government in the sunshine matters, negotiation, mediation, deportation defense, individual employee rights cases, class actions, appellate advocacy and impact litigation. Mr. Krantz’s clients also rely on him for expertise in strategic campaigns to effect systemic change, as well as in investigation, risk analysis, compliance, and internal governance matters.

Mr. Krantz lectures at Berkeley Law on legal research, writing and oral presentation, and he is a mentor to many attorneys and law students. He frequently presents on emerging issues and contributes to written treatises and other professional development projects. Before joining Leonard Carder, Mr. Krantz attended NYU School of Law as a Root-Tilden Public Interest Scholar and served as a judicial law clerk for the Honorable Ellen Breen Burns in the Federal District of Connecticut.

Areas of Practice

Employment and Labor Law

Nonprofit Organizations

Constitutional Law

Government in the Sunshine Law

Legislative and Regulatory Reform

Immigration Law

Appellate Advocacy

Negotiation and Mediation


  • New York University School of Law, New York, NY
  • J.D., Order of the Coif, 1995
    • Root-Tilden Public Interest Scholar
    • Benjamin F. Butler Award for Scholarship, Character & Professional Activities
    • Senior Student Articles Development Editor, NYU Review of Law and Social Change
    • Student Attorney, NYU Family Defense Clinic
    • Co-Author, REACH Public Benefits Advocacy Manual
    • Co-Director, St. Francis Homeless Shelter Advocacy Clinic
    • Advocate, Unemployment Action Project
  • Yale University, New Haven, CT
  • B.A., Political Science, Magna Cum Laude, 1992
    • James Gordon Bennett Prize in Political Science
    • Areas of Research: climate change and proposals at the 1992 Earth Summit; EPA decision-making regarding tolerances for pesticide residue in food
    • Researcher, Shopping for a Better World (Council on Economic Priorities, 1991)
    • Advocate, Save James Bay Network

Significant Published Decisions

City of San Jose v. Operating Eng’rs Local Union No. 3 (2010) 49 Cal.4th 597

ACMEA v. Superior Court (2011) 195 Cal.App.4th 325

County of Sacramento v, AFSCME Local 146, et al (2008) 165 Cal.App.4th 401

Regents of the University of California (2004) PERB Decision No. 1689

Scott v. Stephen Dunn & Assoc. (2001) 241 F.3d 652

Int’l Longshoremen’s & Warehousemen’s Union v. LAXT (1999) 69 Cal.App.4th 287

Representative Publications

Discipline & Discharge, Chapter 7 of California Public Sector Employment Law, (Lexis-Nexis, 2011, 2012, 2013, 2014, 2015, 2016) (Co-Author)

Understanding Public Employee Strike Issues in 2014 and Beyond, State Bar of California, 20th Annual Labor & Employment Law Conference (2014)

Begging to Differ: City of San Jose Clarifies That PERB Has Initial Exclusive Jurisdiction, California Public Employee Relations Journal, Number 190 (2008) (Co-Author)

Public Sector Labor Relations Questions Take Center Stage: Multiple Courts of Appeal Consider Application of New California Government Code and Labor Code Changes to Strikes by City and County Employees, Whittier Law Review, Volume 29, No. 1 (2007) (Co-Author)

Representative Speaking Engagements

Hot Legal Issues, State Bar of California Labor and Employment Section 16th Annual Labor and Employment Law Conference (2010)

Testimony on Senate Bill 190 (amending the California Education Code) before the California Senate Committee on Education (2007)

PERB Litigation: A Step by Step Analysis of the Process, California Public Employee Relations Conference (2006)

Moving Union Clients toward More and Better Organizing, AFL-CIO Lawyers Coordinating Meeting Committee Annual Meeting (2006)

Union Strategies & Employers' Responses: Strikes, Lockouts, Pickets and Handbilling, American Bar Association Labor Program (2006)

Litigation Strategies, AFL-CIO Lawyers Coordinating Committee Regional Meeting (2005)

Litigating in Front of the Public Employment Relations Board, State Bar of California, 11th Annual Labor and Employment Law Conference (2005)

Professional Associations and Memberships

Executive Committee, Labor & Employment Law Section, California State Bar (2016-2019)

California Employment Lawyers Association

AFL-CIO Lawyers Coordinating Committee

Pro Bono Representation

Centro Legal de La Raza Asylum Attorney

Previous Employment

United States District Court, New Haven, CT

Judicial Law Clerk to the Honorable Judge Ellen Bree Burns (1995-1996)

Bar Admissions

State and Federal Courts of California


San Francisco: (415) 771-6400 | Oakland: (510) 272-0169