Security and compliance
10 chief security officers
These ten chief security officers hold or have held the chief security officer title, leading security functions inside operating companies. Readers can learn how CSOs set up physical security, investigations, executive protection and information security programs, and how they work with the business and the board.
Professionals to explore
01—10Adam S. Lee
LinkedInExperience: Vice President, CSO · Dominion Energy
Vice President, CSO at Dominion Energy since 2018 and former Special Agent in Charge at the Federal Bureau of Investigation (FBI) (2014–2018). His profile says that as Dominion Energy's Vice President and Chief Security Officer he is responsible for securing $100 billion in physical assets across 19 states and the company's IT and OT networks.
Carlos Henrique Nucci
LinkedInExperience: Chief Security Officer - Global · Votorantim Cimentos
Chief Security Officer - Global at Votorantim Cimentos since 2025, and former Information Security Manager at Marfrig Global Foods (2020–2025) and Information Security and IT Infrastructure Manager at Rakuten (2015–2020). His profile says that in the role he is responsible for establishing and maintaining a security framework for asset protection and regulatory compliance across the company's global operations.
Christopher Combs
LinkedInExperience: Chief Security Officer (CSO) · Phillips 66
Chief Security Officer (CSO) at Phillips 66 since 2022, and former Special Agent in Charge at the Federal Bureau of Investigation (FBI) (2014–2022). His profile says he leads physical security, the insider threat program, executive protection, intelligence, the GSOC and critical infrastructure compliance with the Federal Government at Phillips 66.
Devon Bryan
LinkedInExperience: Global Chief Security Officer · Booking Holdings (NASDAQ: BKNG)
Global Chief Security Officer at Booking Holdings (NASDAQ: BKNG) since 2025 and Co-Founder of Cyversity since 2014. His profile headline describes him as SVP Global Chief Security Officer (CSO) and a 5x CISO with almost 30 years of experience leading global teams, and lists cybersecurity, AI, technology risk and resilience among his areas.
Gail Coury
LinkedInExperience: SVP, Chief Security Officer (CSO) · Lumen Technologies
SVP, Chief Security Officer (CSO) at Lumen Technologies since 2026. At Teradata she was formerly Chief Information Officer (Interim) (2025–2026) and Chief Information Officer & Chief Information Security Officer (Interim) (2025–2026), and she was Board Chair at ISACA Foundation (2019–2025). Her profile says she has worked closely with the Board of Directors and helped drive strategy and company direction.
Lisa M. Olivieri
LinkedInExperience: Chief Security Officer · Varsity Brands
Chief Security Officer at Varsity Brands since 2024; her profile says she was selected as the organization's first CSO and charged with designing and implementing an enterprise-wide safety and security strategy. She was formerly Global Head of Safety and Security at Wayfair (2021–2024) and a Special Agent in Charge at the U.S. Secret Service, from which she retired in January 2021.
Michael Lashlee, CISSP
LinkedInExperience: Chief Security Officer · Mastercard
Chief Security Officer at Mastercard since 2024 and former Deputy Chief Security Officer - Executive Vice President at Mastercard (2016–2024). His profile says that as Chief Security Officer he leads global efforts to protect Mastercard's people, data and systems; he was also Special Agent in Charge (Senior Executive Service) - Technical Security Division at the United States Secret Service (2015–2016).
Oliver Harzheim
LinkedInExperience: Head of Corporate Security Chief Security Officer (CSO) · Vodafone
Former Head of Corporate Security Chief Security Officer (CSO) at Vodafone (2019–2023), and CSO Director Corporate Security at Vodafone since 2023. He was also Chief Security Officer (CSO) Bereichsleiter (kommissarisch) at Vodafone (2018–2019) and Abteilungsleiter Security Governance & Compliance there (2015–2017).
Sascha Tomaczewski
LinkedInExperience: Chief Security Officer (CSO) · Covestro
Chief Security Officer (CSO) at Covestro since 2015, where he is also Sabotage Protection Officer (since 2015), chairman of the Information Security Board (since 2020) and chairman of the site security committee (since 2022). His profile headline references global security frameworks, Bayer MaterialScience and Porsche, and says he is driving the transformation of security organizations into resilient, future-ready functions.
Steve Georgas, CPP, CSSP
LinkedInExperience: Chief Security Officer, VP Security & Special Projects · Levy Restaurants
Chief Security Officer, VP Security & Special Projects at Levy Restaurants since 2021, and former Chief Security Officer at Metropolitan Pier & Exhibition Authority (2016–2020) and Deputy Chief, Special Functions Division at the Chicago Police Department (1991–2020). His profile says he leads enterprise security for Levy and lists physical security, executive protection, workplace violence prevention, insider threat and travel security.
Choose the right perspective
Match the person's background, whether law enforcement, corporate security or cybersecurity, to the risks your organization faces most. Also weigh the scale and regulatory setting of their employers, since securing critical infrastructure differs from securing a consumer or travel business.
Questions to take into the conversation
- 01Which security responsibilities should sit with the CSO, and which should stay with IT, legal or facilities?
- 02How do you measure whether a corporate security program is actually reducing risk?
- 03What should a first-year plan look like for a newly created chief security officer role?
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot and may describe past or present roles. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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