Thomas Sheffer: Email & Phone Number

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Development Team Lead at Grey Matters Defense Solutions, LLC|Denver Metropolitan Area, United States

Position:

Development Team Lead at Grey Matters Defense Solutions, LLC

Location:

Denver Metropolitan Area, United States

View Thomas Sheffer's Email

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Last updated: 2026-06-22

Updated: 2026-06-22

Found email addresses for Thomas Sheffer:

Business emails:

t******s@greymattersdefense.com

Personal emails:

s******s@verizon.net

Found phones for Thomas Sheffer:

+1-623-***-**70,

+1-520-***-**75

A different Thomas Sheffer?

Work Experience 14 years

Development Team Lead at Grey Matters Defense Solutions, LLC

Jun 2025 - Current

System Architect at CACI Ltd

Oct 2023 - Jun 2025

Senior Software Engineer at CACI Ltd

Apr 2023 - Oct 2023

Chief Software Architect at Stratagem Group

Jul 2022 - Apr 2023

Software Engineer at ICR

Jun 2020 - Jul 2022

Application Architect at Arrow Electronics

Dec 2012 - May 2020

PL/SQL Developer at Dish

Aug 2012 - Dec 2012

Thomas Sheffer started working in 2012, then the employee has changed 5 companies and 6 jobs. On average, Thomas Sheffer works for one company for 2 years.

Their professional focus is Active TS/SCI Clearance, Agile & Waterfall Methodologies, and Agile Methodologies across 3 core areas.

Education

Master of Science at Regis University

Master of Science at University of Denver

Bachelor of Science at Park University

Frequently Asked Questions

What is Thomas Sheffer's email address?

SignalHire found verified email addresses for Thomas Sheffer, both business and personal. Their business email is t******s@greymattersdefense.com, and personal emails include s******s@verizon.net.

What is Thomas Sheffer's phone number?

SignalHire found multiple verified phone numbers for Thomas Sheffer: +1-623-***-**70, and +1-520-***-**75.

How do I contact Thomas Sheffer at Grey Matters Defense Solutions, LLC?

You can reach Thomas Sheffer 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 Thomas Sheffer's professional background?

Thomas Sheffer has 14 years of professional experience. They have held roles including System Architect, Senior Software Engineer, and Chief Software Architect at companies such as CACI Ltd, CACI Ltd, and Stratagem Group. Their education includes Master of Science from Regis University, and Master of Science from University of Denver.

Is Thomas Sheffer's contact information up to date?

Yes. Thomas Sheffer's SignalHire profile was last updated on 22 June 2026, reflecting their current position as Development Team Lead at Grey Matters Defense Solutions, LLC in Denver, Colorado, United States.

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