Ellen H. Greiper


Ellen Greiper is a partner in the New York office of Lewis Brisbois and a member of the Construction Practice. She has more than three decades of experience defending multi-party construction and construction defect cases in the state and federal courts of New York. Ellen is also a member the firmwide 24/7 Rapid Response team for trucking clients and has extensive experience representing large fleet trucking companies in a wide range of transportation matters. Additionally, she is a member of the Crisis Management Practice, and regularly manages crises pertaining to OSHA Safety & Health matters.

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 and trucking 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.

Ellen is a prolific author and frequent speaker on emerging issues in the construction industry, she is also a member of a number of professional industry organizations, including the Construction Specifications Institute, DRI’s Construction Defect Committee, and the Professional Women in Construction, where she served on the Board of Directors of its New York Chapter, the organization’s founding and largest arm. She also currently serves on the board of NAWIC where she is a Director of its New York Chapter. Ellen has chaired DRI's Construction Law Conference and the Construction Defect, Claims & Litigation ExecuSummit in 2017 and 2018, and has served as a presenter at the Women in Insurance Leadership ExecuSummit in 2017, 2018, and 2019. Ellen is also a member of the Advisory Board for Advisen.

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 coauthor of the New York State Bar Association's Construction Site Personal Injury Litigation, first published in 2014 and updated in 2018.

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.

Pro Bono & Philanthropy

  • Board of Directors, Community Mainstreaming Associates, a nonprofit agency dedicated to housing and vocational training for the developmentally disabled
  • Committee-person for the local election district
  • Member, Port Washington Police Department Ethics Committee

Publications & Presentations

  • Presenter, “Defending Construction Accidents Under New York Labor Law,” Lawline, October 2018
  • Presenter, Advisen Big Nasty Claims Conference, New York Law School, September 2018
  • Presenter, "Building a Framework of Inclusion in the Construction Industry: Diversity and the Elimination of Bias," Construction Defect ExecuSummit, Uncasville, CT, December 5, 2017
  • Keynote Speaker, "The Impact of the Scaffold Law on Construction," LRANY Annual Meeting, Albany, NY, November 8, 2017
  • Chair, Construction Defect Execusummit, Mohegan Sun, December 4-6, 2017
  • Presenter, Lawsuit Reform Alliance of New York Annual Meeting, Albany, November 8, 2017
  • Co-Presenter, "Premises Liability Involving Snow & Ice Conditions in the NY Tri-State Area ," Lawline, May 11, 2017
  • Co-Author, "Snow and Ice Liability: A Property Owner's Guide ," New York Law Journal , December 12, 2016
  • Quoted in " Taking Coverage," Long Island Business News , August 23, 2016
  • Co-Author, “Email and Continuous Treatment in Medical Malpractice Actions ,” New York Law Journal, May 31, 2016
  • Co-Author, "Protection of Personal Information as a Ploy to Defy Discovery ," New York Law Journal, January 26, 2016
  • Co-Author, “Stormy Weather: An Analysis of Snow and Ice Defenses ,” New York Law Journal September 24, 2015
  • Co-Author, “The Evolution of Green Building: A LEED Breakdown for Design Professionals ,” DRI The Critical Path, June 26, 2015
  • Co-Author, “Making Dollars and Sense of the Economic Loss Doctrine ,” DRI The Critical Path, June 26, 2015
  • Co-Author, “But My Expert’s Affidavit Was Flawless, Wasn’t It?” New York Law Journal , June 12, 2014
  • Co-Presenter, “Sue Everyone! The Anatomy of a Construction Lawsuit,” Professional Women in Construction, New York, May 22, 2014
  • Co-Presenter, “Anatomy of a Construction Defect Case,” Sound Advice, American Bar Association Section of Litigation, April 2014
  • Co-Author, “Emerging Trends and Changing Perspectives on Construction Defect Claims,”Mealey's Construction Defects, December 2013 (This article also appeared in Mealey’s Construction Defects Insurance, November 2013)
  • Presenter, “Litigating the Products Liability Case: Law and Practice,” New York State Bar Association CLE Seminar, New York, NY, October 24, 2013

Professional Presentations

  • Speaker, "Claims, Litigation, and Legislation Affecting Casualty Insurance," Zywave Casualty Insights Conference, March 14, 2023
  • Speaker, "Evolving Civil Litigation Trends 2022," Lawline, November 14, 2022
  • Speaker, "Closing Keynote: Leveraging Industry Trends," Insurance Business (IB) Women in Insurance New York Summit, September 7, 2022


  • State Bar Admissions
    • New Jersey
    • New York
  • United States District Courts
    • United States District Court for the Eastern District of New York
    • United States District Court for the Northern District of New York
    • United States District Court for the Southern District of New York
    • United States District Court for the Western District of New York
  • United States Courts of Appeals
  • United States Supreme Court


New York

New Jersey

U.S. District Courts for the Southern, Eastern, Western, and Northern Districts of New York

U.S. Supreme Court


  • Defense Research Institute
    • Chair, Construction Defect Committee 2017–18
    • Construction Law
      • Chair, Construction Law Conference 2018
      • Chair, Construction Boot Camp 2019
      • 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)
  • Association of Professional Insurance Women (APIW)

Awards & Honors

  • 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 & 2018


Brooklyn Law School

Juris Doctor, 1985

  • Editor, Brooklyn Journal of International Law

State University of New York at Stony Brook

Bachelor of Arts, 1981

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