David M. Cohen

David is a partner in the firm, focusing on labor and employment law in both the private and public sectors. After graduating Hofstra Law School in 1978, where he was an Associate Editor of the Law Review, and received that school's Labor Law Award, he was associate labor counsel at Allied Chemical Corporation, until he entered private practice in 1980.  Since that time, he has been with his own firm, most recently known as Cooper, Sapir & Cohen, P.C., until joining Guercio & Guercio effective January 1, 2024.
David is involved in most aspects of labor and employment law including employment discrimination, providing daily advice and seminars to his clients on various personnel and Human Resources matters, drafting employee handbooks and policies, negotiating collective bargaining agreements, arbitrating contract and disciplinary grievances, representing his clients in Civil Service Law Section 75 disciplinary proceedings, and appearing before various state and federal administrative agencies, including the National Labor Relations Board, the Equal Employment Opportunity Commission, the New York State Division of Human Rights, and both the New York State and U.S. Departments of Labor. He also litigates in state and federal court, and has had much success there in representing his clients. 

Areas of Practice 


Bar Admissions

  • New York
  • New Jersey
  • U.S. District Court - Eastern District of New York
  • U.S. District Court - Southern District of New York
  • Second Circuit Court of Appeals 


  • Hofstra Law School, JD 1978
  • University of Maryland, BA With Honors 1975

Professional Associations and Memberships 

  • New York State, Nassau County and Suffolk County Bar Associations - Labor and Employment Law Committees
  • Former Chair of the Suffolk County Bar Association Labor and Employment Law Committee 

Honors and Awards

  • Associate Editor Hofstra Law Review
  • Hofstra Law School Labor Law Award