Peter J. Petesch

Peter J. Petesch


Recognized since 2007

Washington, District of Columbia

Practice Areas

Employment Law - Management

Labor Law - Management

Lawyer of the Year Badge - 2021 - Labor Law - Management
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Peter J. Petesch handles a wide range of labor and employment matters, including litigation under:

  • The Railway Labor Act
  • The Americans With Disabilities Act
  • The Family and Medical Leave Act
  • Title VII
  • The Age Discrimination in Employment Act
  • Sarbanes-Oxley
  • AIR 21 – the Wendell H. Ford Aviation Investment and Reform Act for the 21st Century

    He has successfully defended employers in individual and class-based cases before federal and state courts and agencies such as the Equal Employment Opportunity Commission, the National Mediation Board, the Department of Justice, and the Department of Labor's Office of Administrative Law Judges.

    Peter has more than 20 years of experience in representing employers in disability-related matters under both Titles I and III of the ADA, and he has taught webinars in both areas. He counsels, litigates and trains on leave issues and whistleblower matters under Sarbanes-Oxley. Peter often works with airlines, offering strategic advice on:

    • Union avoidance
    • Collective bargaining
    • Arbitrations
    • AIR 21 whistleblower claims

      He also works with healthcare facilities and trade associations, as well as the hospitality, retail and service industries. Additionally, he represented a large human resources association as an amicus participant in four employment law cases before the Supreme Court.

      Co-chair of Littler Mendelson's Transportation Industry Practice Group and a core member of the EEO and Leaves of Absence and Disability Accommodation Practice Groups, Peter has published numerous books and articles on the ADA and other employment issues for a variety of trade journals and has been quoted on labor and employment issues in the national media.

      Prior to working at Littler, Peter was the managing partner of the Washington, D.C. office of another nationwide labor and employment firm.

Contact & Links


  • 815 Connecticut Avenue NW
    Suite 400
    Washington, DC 20006


  • Spanish


  • Georgetown University, graduated 1985

Bar Admissions

  • Maryland, Maryland State Bar Association
  • District of Columbia, The District of Columbia Bar


  • Society for Human Resource Management - Member

Washington, District of Columbia

234 The Best Lawyers in America® awards

154 Best Lawyers: Ones to Watch in America awards

Best Law Firms Badge Full Firm Profile

Lawyer of the Year Badge - 2021 - Labor Law - Management

Named "Lawyer of the Year" by Best Lawyers® for:

  • Labor Law - Management, Washington, D.C. (2021)

Recognized in The Best Lawyers in America® 2023 for work in:

  • Employment Law - Management
  • Labor Law - Management

Special Focus

  • Airline
  • Arbitration and Mediation
  • Class Actions
  • COVID-19
  • Disability
  • Discrimination
  • Harassment
  • Management
  • Transportation
  • Whistleblowers


  • CDC National Business and Labor Award for Leadership in HIV/AIDS

Other Court Admissions

  • U.S. Supreme Court
  • U.S. Court of Appeals, 3rd Circuit
  • U.S. Court of Appeals, 4th Circuit
  • U.S. Court of Appeals, 9th Circuit
  • U.S. Court of Appeals, D.C. Circuit
  • U.S. District Court, District of Columbia
  • U.S. District Court, District of Maryland

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