John Casterline Email & Phone Number
Advisor, Cybesecurity @ TransUnion
5 free lookup(s). No credit card required.
If you need more lookups,
subscriptions start at $34 USD/month.
John Casterline Location
- Washington, DC, US
John Casterline Work
- Advisor, Cybesecurity @ (October 2025 - Present)
- Information Technology Specialist @ Federal Government (February 2020 - October 2025)
- Security Analyst @ (July 2018 - February 2020)
- Cryptologic Network Warfare Specialist @ (June 2009 - September 2016)
John Casterline Education
- University of Maryland Global Campus
Bachelor of Science - BS (Computer Science)
2016-2019 - University of Maryland Global Campus
Master of Science - MS (Computer and Information Systems Security/Information Assurance)
2024
John Casterline Skills
- Analysis
- Command
- CompTIA
- CompTIA A
- CompTIA Security
- Computer Network Operations
- Information Security
- Information Technology
- Intelligence
- Intelligence Analysis
- Leadership
- Log Analysis
- Military
- Network Security
- Python (Programming Language)
- Tactics
- Training
- Vulnerability Assessment
John Casterline Summary
- John Casterline, based in Washington, DC, US, is currently a Advisor, Cybesecurity at TransUnion. John Casterline brings experience from previous roles at Federal Government, NetSage and US Army. John Casterline holds a 2016 - 2019 Bachelor of Science - BS in Computer Science @ University of Maryland Global Campus. With a robust skill set that includes Analysis, Command, CompTIA, CompTIA A , CompTIA Security and more. John Casterline has 3 emails and 1 mobile phone numbers on RocketReach.
Looking for a different John Casterline?
Find contact details for 700 million professionals.
Others Named John Casterline
John Casterline
owner
Mount Clemens, MI, US
John Casterline
Development Project Manager
East Syracuse, NY, US
John Casterline
Professor
Columbus, OH, US
John Casterline
Professor
Columbus, OH, US
John Casterline
Advisor, Cybesecurity
Washington, DC, US
John Casterline
Regional Vice President
Wickhaven, PA, US
John Casterline
General Counsel
Fairfax, VA, US
Top TransUnion Employees
Neil Crumpton
Vice President, Global Talent Acquisition
Chicago, IL, US
Akshay Kumar
EVP, Technology
Chicago, IL, US
Clayton Ruebensaal
Chief Marketing and Communications Officer
New York, NY, US
Steven Chaouki
President US Markets and Consumer Interactive
Chicago, IL, US
Michael Lechner
Vice President - Group General Counsel
Chicago, IL, US
Salil Bhatnagar
Vice President, Global Finance Shared Services
Chicago, IL, US
Monika Mehrotra
VP, Global Operations
Chicago, IL, US
Bobby Mehta
CEO
Chicago, IL, US
Kara Loquist
VP, Global Operations
Chicago, IL, US
Harry Gambill
CEO
Chicago, IL, US
Stefano Melucci
CTO and GM Messaging and Telco (KONTXT)
New York, NY, US
Tim Collins
SVP, International Credit Risk Solutions
Chicago, IL, US
Steve Sassaman
President and Chief Commercial Officer
Chicago, IL, US
G2 Crowd Trusted
300K+ Plugin Users
© 2026 RocketReach.co