John Sherman Email & Phone Number
Senior Director Cybersecurity @ Markel
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John Sherman Location
- Fredericksburg, VA, US
John Sherman Work
- Senior Director Cybersecurity @ (September 2025 - Present)
- Director Cyber Technology Engineering @ (September 2023 - November 2025)
- Manager - Security Engineering @ (October 2020 - September 2023)
- Senior Security Engineer @ (July 2018 - October 2020)
- Senior Information Security Analyst @ (July 2017 - July 2018)
- Senior Information Security Analyst @ (May 2015 - July 2017)
- IT Security Analyst @ (March 2012 - May 2014)
John Sherman Education
- Western Governors University
Information Technology Security
2017-2019
John Sherman Skills
- AI Security
- AI for Cybersecurity
- Active Directory
- Antivirus
- Application Security
- Azure Security
- Azure Sentinel
- Cloud Security
- Crowdstrike
- Crowdstrike Falcon
- Cyber Defense
- Cyber Security Risk
- Cybersecurity
- Cybersecurity Careers
- Cybersecurity Incident Response
- Cybersecurity Tools
- DLP
- Exabeam
- Firewalls
- IDS
- IT Management
- Identity and Access Management (IAM)
- Incident Response
- Information Security Engineering
- Leadership
- Linux
- Microsoft Azure
- Microsoft Office
- NIST
- NeXpose
- Network Security
- Networking
- OS X
- Office 365 Security
- Operating Systems
- Palo Alto
- Palo Alto Networks
- Problem Solving
- QRadar
- Qualys
- SIEM
- Security
- Security Architecture
- Security Architecture Design
- Security Engineering
- Security Program Management
- SharePoint
- Snort
- Symantec Antivirus
- Symantec Endpoint Protection
- Team Leadership
- Technical Support
- Troubleshooting
- VMWare
- VPN
- Vendor Management
- Virtualization
- Vulnerability Management
- Vulnerability Scanning
- Web Application Firewall
- Windows
- Windows 7
- Windows Server
- Zero Trust Architecture
John Sherman Summary
- John Sherman, based in Fredericksburg, VA, US, is currently a Senior Director Cybersecurity at Markel. John Sherman brings experience from previous roles at Markel. John Sherman holds a 2017 - 2019 Information Technology Security @ Western Governors University. With a robust skill set that includes AI Security, AI for Cybersecurity, Active Directory, Antivirus, Application Security and more. John Sherman has 2 emails and 2 mobile phone numbers on RocketReach.
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