About Charles S. Birenbaum

Charles S. Birenbaum serves as the firm’s Chair of Northern California. Chuck is an experienced labor and employment attorney who focuses his practice on traditional labor and employment law matters, and has wide-ranging experience litigating in state and federal courts as well as various administrative agencies. He has testified on proposed legislation impacting entire industries before state legislative committees, and has interfaced and negotiated with labor organizations, politicians, regulators, and industry leaders to resolve complex issues for his clients in the health care, energy, construction and other industries.

Chuck is an experienced trial lawyer, having tried race harassment class actions, noncompetition trials, unfair labor practice hearings before the National Labor Relations Board, and multiple arbitrations. His appellate work includes decisions from the U.S. Court of Appeals for the 9th Circuit under the National Labor Relations Act, Labor Management Relations Act, and the Employee Retirement and Income Security Act.

In the area of traditional labor law, Chuck has a broad array of experience in collective bargaining, union organizing and trust fund litigation for employers in the construction, energy, health care, manufacturing, and service industries. He has first chaired collective bargaining for all bargaining units at a health care system; first chaired collective bargaining over a bargaining unit of registered nurses at a dialysis provider; first chaired collective bargaining for construction agreements covering billions of dollars of heavy infrastructure development; and first chaired collective bargaining for a steel manufacturer and fabricator.

Chuck has been honored by numerous organizations for his labor and employment practice. Since 2013, he has continuously been listed with Chambers USA Guide for his work in labor and employment law, as well as being listed as one of the nation’s top 100 most powerful employment lawyers with Human Resources Executive magazine each year. Chuck is also recognized by The Legal 500 United States for both Labor-Management Relations and Labor and Employment Disputes - Defense.

Concentrations

•Labor and employment class actions
•Traditional labor law
•Appellate advocacy
•Employment law advice, counseling and training
•Unfair competition, restrictive covenants and trade secrets

Recognition & Leadership

Awards & Accolades

•Listed, The Best Lawyers in America, Labor & Employment Law - Management, 2007-2026
•Listed, Chambers USA Guide, Labor & Employment Law, 2013-2025
•Listed, The Legal 500 United States
•Labor and Employment - Labor-Management Relations, 2016-2017, 2019-2025
•'Leading Partners,' 2025
•'Leading Lawyer,' 2023-2024
•Labor and Employment - Labor and Employment Disputes (Including Collective Actions) - Defense, 2019
•Listed, Benchmark Litigation, 'Labor & Employment Star,' 2020-2024
•Listed, Super Lawyers magazine, Northern California Super Lawyers, 2004-2025
•Listed, Lawdragon, '500 Leading U.S. Corporate Employment Lawyers,' 2020-2026
•Listed, Lawdragon and Human Resources Executive magazine, 'The Nation's Most Powerful Employment Lawyers - Top 100,' 2013-2019
•Listed, The Daily Journal, 'Top Labor and Employment Attorneys in California,' 2016
•Listed, The Daily Journal, 'Top 75 Labor Attorneys in California,' 2013-2016
•Team Member, Law360, 'Employment Practice Group of the Year,' 2013

 

Awards

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Services

Areas of Law

  • Intellectual Property 1
    • Trade Secrets
  • Other 2
    • Labor & Employment
    • ERISA & Employee Benefits Litigation

Practice Details

  • Firm Information
    Position
    Shareholder; Chair, Northern California
    Firm Name
    Greenberg Traurig, LLP
  • Representative Cases & Transactions
    Cases
    Experience: Representative Matters: Acted as lead trial counsel for the defendants in Adams et al. v. Pinole Point Steel Company et al. (No. C-92-1962MHP, N.D.Cal. September 26, 2012). The Federal District Court for the Northern District of California's Judge Marilyn Hall Patel rendered a defense judgment with a 66-page opinion for a group of steel companies in a race harassment class action certified by the court over 15 years ago. The court noted that the class certification was probably unwarranted based on the trial record
    the class counsel did not appeal the judgment.
    Represented an employer in a noncompetition trial in California Superior Court under Cal. B&P Code 17200 et seq.
    Represented employers in multiple unfair labor practice hearings before the National Labor Relations Board.
    Represented a sole-source community provider of health care by analyzing its work force
    recommending work force restructuring to modernize its employment architecture
    respond to the new PPACA legislation. This resulted in extensive collective bargaining over nurse, technical
    service
    maintenance workers
    representation in all ensuring unfair labor practice litigation
    arbitration. The employer was able to implement needed work force changes.
    Represented a leading provider of on-board entertainment for a cruise
    event company in a wage
    hour class action in California, which included allegations of failure to pay overtime
    expense reimbursement violations.
    Represented a blood dialysis center in connection with unfair labor practices charges before the NLRB brought by UFCW Local 262 of New Jersey. Charges arose out of its attempt to become the exclusive collective bargaining representative of licensed practical nurses, registered nurses
    other employees. The union alleged that the employer violated federal labor laws by terminating two
    threatening other employees. Termination-related charges were dismissed
    the union withdrew the remaining charges.
    Represented the Pension Benefit Guaranty Corporation in a class action alleging breach of fiduciary duty under ERISA. Won summary judgment on the pleadings that a plaintiff could not bring that type of action under Title I of ERISA.
    The above representations were h
    led by Mr. Birenbaum prior to his joining Greenberg Traurig, LLP.
  • Additional Links

Experience

  • Bar Admission & Memberships
    Admissions
    1982, California
    Memberships

    Professional & Community Involvement

    •Chair, Board of Trustees, Oberlin College, 2025-Present
    •Board Member, Board of Trustees, Oberlin College, 2014-2025
    •Board Member, California Chamber of Commerce, 2017-Present
    •Chair, Transportation and Infrastructure Committee, 2021-Present
    •Member, Oberlin College, President’s Advisory Council, 2011-2014
    •Member, Bar Association of San Francisco
    •Board Member, Justice & Diversity Center of The Bar Association of San Francisco, 2013-2016
    •Member, State Bar of California
    •Past Adjunct Professor, Santa Clara University Law School
    •Past President, Lawyers Club of San Francisco

  • Education & Certifications
    Law School
    Georgetown University Law Center
    Class of 1982
    J.D.
    Other Education
    Oberlin College
    Class of 1979
    B.A.
    Government

    Oberlin College
    Class of 1979
    B.A.
    with honors
  • Personal Details & History
    Age
    Born in 1957
    May 14, 1957

Contact Charles S. Birenbaum

Shareholder; Chair, Northern California at Greenberg Traurig, LLP
5.0
1 review

4 Embarcadero Center, Suite 3000San Francisco, CA 94111-5983U.S.A.

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Fax: 415.707.2010

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Attorneys FAQs

  • What year was this attorney first admitted to the bar?
    Charles S. Birenbaum was admitted in 1982 to the State of California.
  • Is this attorney Martindale-Hubbell Peer Review rated?
    Yes, Charles S. Birenbaum has a 5.0 Peer Rating from Martindale-Hubbell.
  • How many attorneys are in this law firm?
    Greenberg Traurig, LLP has 2750 attorneys at this location.
  • What law school did this attorney attend?
    Charles S. Birenbaum attended Georgetown University Law Center.
  • What year was this attorney's law firm established?
    Greenberg Traurig, LLP was established in 1967.