John Koester Email & Phone Number
Senior Vice President and Chief Information Security Officer @ Hertz
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John Koester Location
- Atlanta, GA, US
John Koester Work
- Senior Vice President and Chief Information Security Officer @ (October 2026 - Present)
- Governing Body Chair, GeorgiaCISO @ (June 2025 - Present)
- VP and CISO @ (October 2024 - October 2026)
- VP and CISO @ (March 2022 - September 2024)
- Senior Director and CISO @ (April 2019 - March 2022)
- Director of Information Security and CISO @ (June 2016 - April 2019)
- Director of Security Operations @ (December 2014 - June 2016)
- Senior Program Manager @ (July 2011 - December 2014)
- Principal Security Engineer @ (October 2008 - July 2011)
- IT Security Specialist @ (May 2005 - October 2008)
John Koester Education
- University of Central Florida
Master of Science (Digital Forensics)
2008-2010 - University of Central Florida
Bachelor of Science (Information Technology)
2002-2006
John Koester Skills
- Active Directory
- C
- CISSP
- Cisco Technologies
- Command
- CompTIA Security
- Computer Forensics
- Computer Security
- DIACAP
- Disaster Recovery
- DoD
- Firewalls
- IDS
- Incident Response
- Information Assurance
- Information Security
- Information Security Management
- Information Technology
- Intrusion Detection
- NIST
- Network Administration
- Network Security
- Security
- Security Clearance
- Security Engineering
- Security Management
- Troubleshooting
- VPN
- Vulnerability Assessment
- Vulnerability Management
John Koester Summary
- John Koester, based in Atlanta, GA, US, is currently a Senior Vice President and Chief Information Security Officer at Hertz. John Koester brings experience from previous roles at Inspire Leadership Network, Graphic Packaging International, LLC and HD Supply. John Koester holds a 2008 - 2010 Master of Science in Digital Forensics @ University of Central Florida. With a robust skill set that includes Active Directory, C, CISSP, Cisco Technologies, Command and more. John Koester has 3 emails and 2 mobile phone numbers on RocketReach.
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