Ellen H.  Greiper

Ellen H. Greiper



Practice Groups

Ellen Greiper has more than three decades of experience defending multi-party construction and construction defect cases in the state and federal courts of New York. An appointed arbitrator for the district courts in Nassau County, New York, Ellen — who also has extensive experience litigating high-exposure premises liability, Labor Law, and personal injury matters that arise from construction site accidents — is also a mediator for trial-ready cases in the Supreme Court of Nassau County. Ellen’s streamlined discovery techniques and proactive approach to complex litigation translates into effective and expedited solutions for clients.

A prolific author and frequent speaker on emerging issues in the construction industry, Ellen is also a member of a number of professional industry organizations. Those memberships include the Construction Specifications Institute, DRI’s Construction Defect Committee, and Professional Women in Construction, where she serves on the Board of Directors of its New York Chapter, the organization’s founding and largest arm.  Ellen has chaired DRI's Construction Law Conference as well as the Construction Defect, Claims & Litigation ExecuSummit in 2017 and 2018. In 2013, Ellen co-authored a comprehensive survey examining a cross-section of construction cases from around the country for Mealey’s Litigation Reports: Construction Defects (updated in 2017). She is also co-author of the New York State Bar Association's Construction Site Personal Injury Litigation, first published in 2014 and updated in 2018. Ellen is the editor of the firm’s Labor Law Update, which examines the latest developments regarding New York’s Labor Law and construction site accidents.  

In 2016, Ellen was named an Achiever by the Long Island Center for Business and Professional Women, an annual honor bestowed by the organization on a select group of women who demonstrate extraordinary professional accomplishments and leadership. 

  • Long Island Center for Business and Professional Women: 2016 Achiever
  • Leadership in Law Award, Long Island Business News, 2016
  • New York Metro Super Lawyers, 2017
Professional Affiliations and Training
  • Defense Research Institute
  •       Chair, Construction Defect Committee 2017–18
  •       Construction Law
  •               Chair, Construction Law Conference 2018
  •               Member, Steering Committee
  • Board of Directors, Professional Women in Construction
  • Construction Specifications Institute
  • Lawsuit Reform Alliance of New York (LRANY)
  •      Co-Chair, LRANY Legal Advisory Board
  •      Member, Construction Law Committee
  •      Keynote Speaker, LRANY 4th Annual Meeting, 2017
  • Nassau County Bar Association
  • Theodore Roosevelt Inn of Court
  • Judges-Lawyers Chapter of Hadassah
  • New York City Association of Insurance Women
  • Department of Labor OSHA-10 Construction Training
  • Claims and Litigation Management Alliance (CLM)
  • National Association of Women Lawyers (NAWL) 
Admitted to Practice
  • New York
  • New Jersey
  • U.S. District Courts for the Southern, Eastern, Western, and Northern Districts of New York
  • U.S. Supreme Court
Community Involvement
  • Board of Directors, Community Mainstreaming Associates, a nonprofit agency dedicated to housing and vocational training for the developmentally disabled
  • Committeeperson for the local election district
  • Member, Port Washington Police Department Ethics Committee
  • Brooklyn Law School, J.D., 1985 (Editor, Brooklyn Journal of International Law)
  • State University of New York at Stony Brook, B.A., 1981