John Mancebo Tressler LLP

Mancebo, John E. Partner

Mancebo, John E. Partner

Practice Focus

John Mancebo is Co-Chair of Tressler's Labor and Employment Group and a partner in the Employment Litigation practice. He focuses his practice on representing companies of all sizes in a wide variety of matters, including: Employment Practices claims, Wage & Hour Litigation, Premises, Professional Liability, and Business Litigation matters.

He is fluent in Spanish and devotes part of his practice to serving clients in Latin America, advising both U.S. and foreign clients on their business ventures in the Dominican Republic, as well as Latin American corporations with legal needs in the U.S.

Professional Background

Prior to joining Tressler, he was a partner at LeClairRyan, PC and also worked in the insurance industry as a Claims Director, where he handled Employment Practices Liability and Directors & Officers Liability claims for major insurance carriers. While in law school, he clerked for the Honorable Nelson S. Roman, who currently sits in the U.S.D.C, Southern District of New York.

Memberships & Affiliations

  • The Water Street Club – Insurance Organization (Co-Founder)
  • Professional Liability Underwriting Society (PLUS)
  • Claims and Litigation Management Society (CLM)
  • Hispanic National Bar Association (HNBA)




"Beyond the Bar: How did they do it?  Navigating your legal career in NYC," University of Buffalo School of Law, April 12, 2018

"Leading Edge Employment Law: Emerging Trends In Pay Parity Litigation & Enforcement," Hispanic National Bar Association - Corporate Counsel Conference, San Francisco, CA, March 18, 2018

"Changing Landscapes, The Growth Of Latinos In The Insurance Industry," AIG, Woodland Hills, CA, March 14, 2018

"Quantification Of Plaintiff’s Potential Emotional Distress Damages Doesn’t Have To Cause You Pain And Suffering!," Atlanta, GA, March, 2018

"Cyber Liability: Its Impact On The Insurance Industry And You,” The Water Street Club, Zurich NA, New York, NY, January 18, 2018

"So What Are You Current Making? This and other questions that could cost you,” The Water Street Club, Aon, New York, September 28, 2017

"Speed Mentoring Event. Guy Carpenter," NAAIA, CNA, Marsh & McLennan Companies New York, NY , June 22, 2017

"Maximizing Diversity & Inclusion In The Insurance Industry," The Water Street Club, Aon Building, New York, January 19, 2017

"Bridging The Gap. Diversity In A Diverse Insurance Market," The Water Street Club, Aon, New York, October 6, 2016

"Male Insurance Professionals Of Color," The Water Street Club, Aon, New York, July 14, 2016

Community Involvement

As one of the founding members of The Water Street Club, John continues to lead diversity initiatives in the insurance industry and the legal profession. John enjoys volunteering with Ice Hockey in Harlem, where he coaches and mentors inner city youth on their opportunities on and off the ice. John also travels to the Dominican Republic, where he is involved in efforts to improve the educational and professional opportunities available to young Major League Baseball prospects.