John Koester in

John Koester

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Senior Vice President and Chief Information Security Officer at Hertz
📍 Atlanta, Georgia, United States

John Koester is the Senior Vice President and Chief Information Security Officer at Hertz, leveraging extensive experience from CISO roles at Graphic Packaging International and HD Supply. A US Navy veteran, he holds CISSP and PMP certifications and earned both a Bachelors and Master of Science from the University of Central Florida.

Outside of his professional life, John is dedicated to philanthropy, actively fundraising for the Make-A-Wish Foundation by participating in events like the 22-mile Trailblaze Challenge. His background as a Navy veteran informs his disciplined and team-oriented approach to leadership.

He is a recipient of the prestigious GeorgiaCISO ORBIE Award for the Enterprise category, an honor he attributes entirely to his teams hard work and accomplishments.

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Experience
21 Years
Current Role
Senior Vice President and Chief Information Security Officer
Job Level
Leadership
Location
Atlanta, Georgia, United States
Personality Overview

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Communication Style
Decision Approach
Work Preference

Behavioral traits and communication patterns that shape how this person evaluates opportunities, builds trust, and makes decisions in professional settings.

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Priorities

Topics John cares about

Cybersecurity Leadership
As a multi-time CISO for large enterprises and an ORBIE award winner, he is a recognized leader in the information security field.
AI in Cybersecurity
He has spoken on podcasts about how AI can give time back to security teams, allowing them to focus on creativity, development, and becoming better business partners.
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Career

Work history

10-2026
Senior Vice President and Chief Information Security Officer
Hertz
6-2025
Governing Body Chair, GeorgiaCISO
Inspire Leadership Network
10-2024 - 10-2026
VP & CISO
Graphic Packaging International, LLC
3-2022 - 9-2024
VP and CISO
HD Supply
4-2019 - 3-2022
Senior Director and CISO
HD Supply
In the press

Media appearances

Hertz Appoints New Chief Information Security Officer. Featured in National CIO Review
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Education
2008 - 2010
Master of Science
University of Central Florida
2002 - 2006
Bachelor of Science
University of Central Florida
Social presence
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Behavioral profile

DISC profile (public)

DISC behavioral profile

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