Jack McMahon: Email & Phone Number

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Associate Underwriter - Primary Casualty at Markel|New York City Metropolitan Area, United States

Position:

Associate Underwriter - Primary Casualty at Markel

Location:

New York City Metropolitan Area, United States

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Last updated: 2026-06-10

Updated: 2026-06-10

Found email addresses for Jack McMahon:

Business emails:

j**********n@markel.com

Personal emails:

j******a@usc.edu

Found phones for Jack McMahon:

+1-909-***-**40,

+1-205-***-**08

A different Jack McMahon?

Work Experience 6 years

Associate Underwriter - Primary Casualty at Markel

Oct 2025 - Current

Underwriting Trainee - Primary Casualty at Markel

Jun 2025 - Oct 2025

Underwriting Support Specialist - Primary Casualty at Markel

Feb 2025 - Jun 2025

Market Insights Intern - Trauma & Extremities at Stryker

May 2023 - Aug 2023

Client Markets Intern at Swiss Re

Jul 2022 - Aug 2022

Emerging Markets Intern, Oncology Franchise at Pfizer

Jun 2021 - Aug 2021

Marketing Intern at Novo Nordisk

Jun 2020 - Aug 2020

Jack McMahon started working in 2020, then the employee has changed 4 companies and 6 jobs. On average, Jack McMahon works for one company for 3 months.

Their professional focus is Economics, Emerging Markets, and Marketing across 3 core areas.

Education

Bachelor of Arts - BA at University of Southern California

Frequently Asked Questions

What is Jack McMahon's email address?

SignalHire found verified email addresses for Jack McMahon, both business and personal. Their business email is j**********n@markel.com, and personal emails include j******a@usc.edu.

What is Jack McMahon's phone number?

SignalHire found multiple verified phone numbers for Jack McMahon: +1-909-***-**40, and +1-205-***-**08.

How do I contact Jack McMahon at Markel?

You can reach Jack McMahon through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Jack McMahon's professional background?

Jack McMahon has 6 years of professional experience. They have held roles including Underwriting Trainee - Primary Casualty, Underwriting Support Specialist - Primary Casualty, and Market Insights Intern - Trauma & Extremities at companies such as Markel, Markel, and Stryker. Their education includes Bachelor of Arts - BA from University of Southern California.

Is Jack McMahon's contact information up to date?

Yes. Jack McMahon's SignalHire profile was last updated on 10 June 2026, reflecting their current position as Associate Underwriter - Primary Casualty at Markel in Glen Allen, Virginia, United States.

Jack McMahon Namesakes

Name

Company

Position

Jack McMahon

Nebula Elec

Electrician

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Jack McMahon

Self Employed

Freelance Artist

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Jack McMahon

Portland State University

Embedded Tutor

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