Andrew L. Eisenberg

Andrew is a partner in the Boston office of Constangy. His practice encompasses all aspects of labor law, labor relations and employment law. Andrew has extensive experience assisting the firm's clients in responding to union organizing campaigns, negotiating and advising clients with respect to the administration of collective bargaining agreements and representing clients in grievance and arbitration proceedings. He also assists clients with respect to the full range of employment issues, including discrimination claims and compliance with federal and state employment laws. He regularly appears before state and federal courts and administrative agencies, including the United States Department of Labor, the National Labor Relations Board, the Occupational Safety and Health Administration, the Equal Opportunity Commission, the Massachusetts Commission Against Discrimination and other state discrimination agencies.

Andrew frequently conducts management training programs and speaks to groups on a variety of subjects relating to labor, labor relations and employment issues. He represents both union and non-union employers in a variety of industries, including education, food processing and distribution, retail, architecture/engineering, banking and financial services, transportation, public transit, hospitality, high tech, and manufacturing. He has particular experience representing clients in the hotel/restaurant, supermarket and banking industries.

• Fellow, College of Labor and Employment Lawyers (Inducted 2018)
• Annual Guide to Top Rated Lawyers in Labor and Employment
• Recognized in The Best Lawyers in America^® for Employment Law - Management, Labor Law - Management, and Litigation - Labor & Employment (2008-2022, 2024-2025)
• Leading Lawyers in America
• Martindale-Hubbell AV Preeminent® Peer Rated for Highest Level of Professional Excellence
• Massachusetts Super Lawyers^® (2010-2021)
• New England's Best Lawyers

• American Bar Association, Labor and Employment Law Section
• Boston Bar Association, Labor and Employment Law Section
  • Massachusetts Bar Association, Labor Law Section, Past Chairman 
  • Private Sector Collective Bargaining Committee, Past Chairman
  • Legislative and Government Liaison Committee
• CUE Inc., Labor Lawyers Advisory Committee
• Boston Lyric Opera, Board of Directors 
• Jewish Community Centers Association of North America, Board of Directors
• Jewish Community Centers of Greater Boston, Past Chair, Board of Directors