Chair of Labor & Employment Practice
(212) 682-0020


New York
New Jersey

United States Court of Appeals
for the Second Circuit

United States District Courts for
Southern, Eastern and Western Districts of New York
District of New Jersey


Law School: Fordham University
Honors/Activities: Captain, National Moot Court Team, Moot Court Board (Regional Champions and National Semifinalists)

Undergraduate: Syracuse University


MARY ELLEN DONNELLY devotes her practice to the representation of management exclusively in all aspects of labor relations, employment law, and related litigation. She litigates in state and federal courts throughout the country. She represents management before arbitration tribunals and administrative agencies on the state and federal level, including the United States Equal Employment Opportunity Commission and the New York State Division of Human Rights. She litigates cases before the National Labor Relations Board and has served as spokesperson for management during labor negotiations. Ms. Donnelly represents employers in higher education, health care, manufacturing, financial services, retail, and not-for-profit institutions.

In addition to litigation, Ms. Donnelly frequently counsels clients on a full range of state and federal labor and employment law issues, including hiring and termination, discrimination complaints, sexual harassment, collective bargaining, development and administration of human resource policies and wage and hour compliance. Ms. Donnelly has lectured on numerous employment law topics, including Title VII, Title IX, the Age Discrimination in Employment Act, the Family and Medical Leave Act, the Americans with Disabilities Act, the FLSA, Section 296 of the New York State Executive Law and various aspects of employment discrimination. Ms. Donnelly has provided training to executives, supervisors and employees on labor and employment law issues.

Ms. Donnelly has lectured on numerous employment law topics, including: Panelist; Wage and Hour Litigation, Suffolk County Bar Association, 2017; Panelist, Opening Statements in Arbitrations, American Arbitration Association, 2016; Presenter, Nonprofit Organizations; Changes in New York State and New York City Employment Laws, 2016; Speaker, Human Resources Conference for the Association of Healthcare Human Resources Administrators of Greater New York Speaker  “How to Recruit and On-board Employees Legally”, 2015; NELA NY Fall 2015 Conference Panelist on Amendments to the Federal Rules of Civil Procedure, National Employment Lawyers Association, 2015


Super Lawyer: 2018, 2017, 2016, 2014, 2013, 2012

Best Lawyers: 2020, 2019, 2018, 2017