John Mastrantonio Email & Phone Number
Vice President, E and S Casualty Claims @ Arch Insurance Group Inc.
5 free lookup(s). No credit card required.
If you need more lookups,
subscriptions start at $34 USD/month.
John Mastrantonio Location
- Jersey City, NJ, US
John Mastrantonio Work
- Vice President, E and S Casualty Claims @ (April 2024 - Present)
- Assistant Vice President, Excess Complex Claims Management @ (December 2022 - April 2024)
- Assistant Vice President, Medical Risk Claims Management @ (June 2021 - December 2022)
- Claim Supervisor, Coverage Claim Triage Unit @ (July 2019 - June 2021)
- Global Legal, Compliance, Regulatory and Government Affairs - Associate Counsel Commercial Casualty @ (September 2017 - June 2019)
- Complex Director, Complex Casualty - Coverage @ (April 2015 - September 2017)
- Senior Analyst, Complex Casualty - Coverage @ (January 2013 - March 2015)
- Associate @ Aaronson, Rappaport, Feinstein & Deutsch, LLP (February 2008 - December 2012)
- Associate @ Melli, Guerin & Wall, P.C. (May 2006 - December 2007)
- Legal Intern in General Counsel's office @ (August 2004 - April 2005)
- Legal Intern for the Honorable Mary H. Smith @ Supreme Court, Westchester County (June 2003 - April 2004)
- Buyer @ (May 2001 - September 2001)
- Assistant Negotiator @ (June 2000 - May 2001)
John Mastrantonio Education
- St. John's University School of Law
JD (Law)
2002-2005 - Boston College
BA (Psychology)
1996-2000 - Edgemont Jr./Sr. High School 1992-1996
John Mastrantonio Summary
- John Mastrantonio, based in Jersey City, NJ, US, is currently a Vice President, E and S Casualty Claims at Arch Insurance Group Inc.. John Mastrantonio brings experience from previous roles at Chubb and AIG. John Mastrantonio holds a 2002 - 2005 JD in Law @ St. John's University School of Law. John Mastrantonio has 7 emails and 4 mobile phone numbers on RocketReach.
Looking for a different John Mastrantonio?
Find contact details for 700 million professionals.
Others Named John Mastrantonio
John Mastrantonio
Vice President, E and S Casualty Claims
Jersey City, NJ, US
John Mastrantonio
Warehouse inventory
Las Vegas, NV, US
Top Arch Insurance Group Inc. Employees
Andrew Becker
EVP, Chief Actuary
Montville, NJ, US
Vincent Kellaher
Senior Vice President - Claims
Jersey City, NJ, US
Rebecca Wicker
Senior Vice President
Chicago, IL, US
Lauren Dieterich
Chief Operating Officer, Arch Insurance North America
Jersey City, NJ, US
Brian Farrell
Senior Vice President P and C Programs
West Hartford, CT, US
Jonathan Kline
SVP and Insurance Operations Counsel
New York, NY, US
Sriram Seshadri
Vice President of Engineering
Hartford, CT, US
Patrick Nails
Executive Vice President and Chief Claims Officer
Jersey City, NJ, US
James Boyes
Asst. VP
Jersey City, NJ, US
Prabhu Venkataraman
Chief Information Officer
Boston, MA, US
Brian First
President
Hartford, CT, US
Wanda Phillips
Executive Vice President Entertainment North America
Jersey City, NJ, US
John Mastrantonio
Vice President, E and S Casualty Claims
Jersey City, NJ, US
Daniella Lombardo
Chief Risk Officer
Jersey City, NJ, US
Ray Steer
VP - Finance - Billing and Operations
Jersey City, NJ, US
Nisha Singh
SVP Data Governance
Jersey City, NJ, US
G2 Crowd Trusted
300K+ Plugin Users
© 2026 RocketReach.co