Leslie A. Mariotti


(215) 988-1451 (215)754-5188
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Mariotti Leslie A.
Practice Areas

New York
U.S. District Court – Eastern District of Pennsylvania
U.S. District Court – Middle District of Pennsylvania
U.S. Court of Appeals for the Third Circuit

J.D., Temple University Beasley School of Law

M.A., University of London

B.A., University of Pennsylvania

Speaking Engagements

LESLIE A. MARIOTTI works closely with her clients to develop employment policies and processes that help them improve their corporate culture, increase employee morale, strengthen customer loyalty, and enhance their relationships with stakeholders.

Leslie has experience creating and conducting management and employee trainings and conducting internal investigations into allegations of harassment, discrimination, retaliation, bias and compliance issues. She also advises employers on workplace issues such as:

  • recruitment and retention of critical employees
  • discipline and discharge
  • drafting and enforcement of restrictive covenants
  • accommodating disabilities

When the need for litigation arises, she has represented employers in state and federal courts in all areas of employment law including claims of discrimination, harassment, hostile work environment, and retaliation. She has also represented Special Litigation Committees in investigating shareholder claims under Pennsylvania’s Business Corporations Act.

Leslie regularly partners with higher education institutions and provides training and compliance advice concerning Title IX and Clery Act Compliance. She investigates reports of sexual assault, harassment, discrimination and other forms of prohibited conduct on behalf of those institutions.

Since 2018 Leslie has been recognized as a Pennsylvania Super Lawyers Rising Star, and she has been selected in Best Lawyers in America: Ones to Watch since 2021 for her practice in Labor and Employment Law – Management. She has lectured at the University of Pennsylvania School of Law teaching legal writing to LLM students.

Prior to joining the firm, Leslie served as a law clerk for the Honorable Mitchell S. Goldberg in the U.S. District Court for the Eastern District of Pennsylvania and as a judicial intern for the Honorable Timothy R. Rice, U.S. Magistrate Judge. She was a member of the United States Peace Corps in Cameroon, where she taught English to children in grades 6 through 12. She also served as Development Coordinator for the Community Women’s Education Project in Philadelphia.

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Speaking Engagements

“Employee Benefits of the Future – How Legal Developments Will Drive Profound Change,” Greater Valley Forge HR Summit (Malvern, PA), October 25, 2019

“Responding to Allegations of Sexual Misconduct,” Pennsylvania Bar Institute (Philadelphia, PA) March 22, 2018

“Monitoring the Madness: Preventing and Dealing with Workplace Harassment,” Pietragallo Gordon Alfano Bosick & Raspanti, LLP CLE (Pittsburgh, PA) March 15, 2018

“What a Nightmare: All of my Employees Want to go on Leave at the Same Time! Practical Strategies to Combat Leave Abuse while complying with the FMLA and ADA,” The Greater Valley Forge HR Summit (Malvern, PA) October 13, 2017

“Responding to Allegations of Sexual Misconduct: A Legal Update for Employers, Educators, and Health Care Providers,” Pennsylvania Bar Institute (Philadelphia and Pittsburgh, PA), July 14 and 21, 2015