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John Castner Email & Phone Number

Retired at Montgomery County Government
Location: Rockville, Maryland, United States 7 work roles
1 work email found @montgomerycountymd.gov 5 phones found area 240 and 855 LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email · 5 phones

Work email j****@montgomerycountymd.gov
Direct phone (240) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Montgomery County Government
Role
Retired
Location
Rockville, Maryland, United States
Company size
4421 employees

Who is John Castner? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

John Castner is listed as Retired at Montgomery County Government, a with 4421 employees, based in Rockville, Maryland, United States. AeroLeads shows a work email signal at montgomerycountymd.gov, phone signal with area code 240, 855, and a matched LinkedIn profile for John Castner.

John Castner previously worked as Enterprise Network Architect at Montgomery County (Md) Government and Enterprise Architect, Networking at Montgomery County Government.

Company email context

Email format at Montgomery County Government

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

{first}.{last}@montgomerycountymd.gov
89% confidence

AeroLeads found 1 current-domain work email signal for John Castner. Compare company email patterns before reaching out.

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Profile bio

About John Castner

Experienced Network Solutions Manager with a demonstrated history of working in the government administration industry. Skilled in Requirements Analysis, Government, Enterprise Architecture, Computer Forensics, and IT Strategy. Strong program and project management professional with a Master's degree focused in Operations Research from The George Washington University.

Listed skills include Program Management, Government, Security, Integration, and 22 others.

Current workplace

John Castner's current company

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

Montgomery County Government
Montgomery County Government
Retired
rockville, maryland, united states
Website
montgomerycountymd.gov
Employees
4421
AeroLeads page
Company profile
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7 roles

John Castner work experience

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

Vp, Director Information Technology Services

Icf Kaiser International

Vienna, Virginia

All IT for a $1.5 billion professional services and A&E company

Jan 1979 - Jan 2000
Team & coworkers

Colleagues at Montgomery County Government

Other employees you can reach at montgomerycountymd.gov. View company contacts for 4421 employees →

PH Pamela Hughes Pamela Hughes Colleague at Montgomery County GovernmentBurtonsville, Maryland, United States View → FG Fekerte Gebremariam Fekerte Gebremariam Colleague at Montgomery County GovernmentSilver Spring, Maryland, United States View → KW Kirk Weaver Kirk Weaver Colleague at Montgomery County GovernmentSilver Spring, Maryland, United States View → SA Steven Addison Steven Addison Colleague at Montgomery County GovernmentWashington Dc-Baltimore Area, United States View → CB Cheryl Butler Cheryl Butler Colleague at Montgomery County GovernmentBaltimore City County, Maryland, United States View → KS Karen Salaam Karen Salaam Colleague at Montgomery County GovernmentColumbia, Maryland, United States View → BH Bahar Habibi Bahar Habibi Colleague at Montgomery County GovernmentWashington, District Of Columbia, United States View → IS Irshad Shaikh Irshad Shaikh Colleague at Montgomery County GovernmentNorristown, Pennsylvania, United States View → JW Jim Walls Jim Walls Colleague at Montgomery County GovernmentGermantown, Maryland, United States View → KH Kyle Hanley Kyle Hanley Colleague at Montgomery County GovernmentSilver Spring, Maryland, United States View →
FAQ

Frequently asked questions about John Castner

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

What company does John Castner work for?

John Castner works for Montgomery County Government.

What is John Castner's role at Montgomery County Government?

John Castner is listed as Retired at Montgomery County Government.

What is John Castner's email address?

AeroLeads has found 1 work email signal at @montgomerycountymd.gov for John Castner at Montgomery County Government.

What is John Castner's phone number?

AeroLeads has found 5 phone signal(s) with area code 240, 855 for John Castner at Montgomery County Government.

Where is John Castner based?

John Castner is based in Rockville, Maryland, United States while working with Montgomery County Government.

What companies has John Castner worked for?

John Castner has worked for Montgomery County Government, Montgomery County (Md) Government, Mentor Technologies, and Icf Kaiser International.

Who are John Castner's colleagues at Montgomery County Government?

John Castner's colleagues at Montgomery County Government include Pamela Hughes, Fekerte Gebremariam, Kirk Weaver, Steven Addison, and Cheryl Butler.

How can I contact John Castner?

You can use AeroLeads to view verified contact signals for John Castner at Montgomery County Government, including work email, phone, and LinkedIn data when available.

What skills is John Castner known for?

John Castner is listed with skills including Program Management, Government, Security, Integration, Strategic Planning, It Strategy, Enterprise Architecture, and Policy.

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