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John Greshock Email & Phone Number

Chief Engineer at IDT at Innovative Defense Technologies (IDT)
Location: Philadelphia, Pennsylvania, United States 3 work roles 1 school
2 work emails found @lockheedmartin.com 1 phone found area 610 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 86%

Contact Signals · 2 work emails · 1 phone

Work email j****@lockheedmartin.com
Direct phone (610) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Innovative Defense Technologies (IDT)
Role
Chief Engineer at IDT
Location
Philadelphia, Pennsylvania, United States
Company size
154 employees

Who is John Greshock? Overview

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Quick answer

John Greshock is listed as Chief Engineer at IDT at Innovative Defense Technologies (IDT), a company with 154 employees, based in Philadelphia, Pennsylvania, United States. AeroLeads shows a work email signal at lockheedmartin.com, phone signal with area code 610, and a matched LinkedIn profile for John Greshock.

John Greshock previously worked as Chief Engineer at Innovative Defense Technologies (Idt) and Combat Systems Engineer at Lockheed Martin. John Greshock studied at Drexel University.

Company email context

Email format at Innovative Defense Technologies (IDT)

This section adds company-level context without repeating John Greshock's masked contact details.

{first_initial}{last}@lockheedmartin.com
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AeroLeads found 2 current-domain work email signals for John Greshock. Compare company email patterns before reaching out.

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Profile bio

About John Greshock

John Greshock is a Chief Engineer at IDT at Innovative Defense Technologies (IDT).

Current workplace

John Greshock's current company

Company context helps verify the profile and gives searchers a useful next step.

Innovative Defense Technologies (IDT)
Innovative Defense Technologies (Idt)
Chief Engineer at IDT
arlington, virginia, united states
Website
idtus.com
Employees
154
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Company profile
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3 roles · 25 years

John Greshock work experience

A career timeline built from the work history available for this profile.

Co-Op

Atofina Chemicals
2001 - 2003 ~2 yrs
Team & coworkers

Colleagues at Innovative Defense Technologies (IDT)

Other employees you can reach at idtus.com. View company contacts for 154 employees →

BM Brandon Mai Brandon Mai Colleague at Innovative Defense Technologies (Idt) San Francisco, California, United States, United States View → EP Elizabeth Paredes Elizabeth Paredes Colleague at Innovative Defense Technologies (Idt) Arlington, Virginia, United States, United States View → JB Joel Byron Joel Byron Colleague at Innovative Defense Technologies (Idt) Arlington, Virginia, United States, United States View → AG Andy Gaus Andy Gaus Colleague at Innovative Defense Technologies (Idt) Mount Laurel, New Jersey, United States, United States View → CT Christopher Tineo Christopher Tineo Colleague at Innovative Defense Technologies (Idt) Cherry Hill, New Jersey, United States, United States View → BH Breanna Higgins Breanna Higgins Colleague at Innovative Defense Technologies (Idt) Glassboro, New Jersey, United States, United States View → ML Mark Locuson Mark Locuson Colleague at Innovative Defense Technologies (Idt) Elmer, New Jersey, United States, United States View → B( Benjamin (Schwartz) Jackson Benjamin (Schwartz) Jackson Colleague at Innovative Defense Technologies (Idt) Arlington, Virginia, United States, United States View → EH Ethan Hunt Ethan Hunt Colleague at Innovative Defense Technologies (Idt) Washington DC-Baltimore Area, United States View → RK Ryan Kluttz Ryan Kluttz Colleague at Innovative Defense Technologies (Idt) Blacksburg, Virginia, United States, United States View →
1 education record

John Greshock education

FAQ

Frequently asked questions about John Greshock

Quick answers generated from the profile data available on this page.

What company does John Greshock work for?

John Greshock works for Innovative Defense Technologies (IDT).

What is John Greshock's role at Innovative Defense Technologies (IDT)?

John Greshock is listed as Chief Engineer at IDT at Innovative Defense Technologies (IDT).

What is John Greshock's email address?

AeroLeads has found 2 work email signals at @lockheedmartin.com for John Greshock at Innovative Defense Technologies (IDT).

What is John Greshock's phone number?

AeroLeads has found 1 phone signal(s) with area code 610 for John Greshock at Innovative Defense Technologies (IDT).

Where is John Greshock based?

John Greshock is based in Philadelphia, Pennsylvania, United States while working with Innovative Defense Technologies (IDT).

What companies has John Greshock worked for?

John Greshock has worked for Innovative Defense Technologies (Idt), Lockheed Martin, and Atofina Chemicals.

Who are John Greshock's colleagues at Innovative Defense Technologies (IDT)?

John Greshock's colleagues at Innovative Defense Technologies (IDT) include Brandon Mai, Elizabeth Paredes, Joel Byron, Andy Gaus, and Christopher Tineo.

How can I contact John Greshock?

You can use AeroLeads to view verified contact signals for John Greshock at Innovative Defense Technologies (IDT), including work email, phone, and LinkedIn data when available.

What schools did John Greshock attend?

John Greshock studied at Drexel University.

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