Security and compliance
10 cybersecurity consultants
These ten cybersecurity consultants have advised organizations on security as independent consultants, virtual CISOs, or consultants and partners at consulting firms. A reader can learn how a cybersecurity consultant scopes an engagement, explains security risk to leadership and plans a security program that fits the organization.
Professionals to explore
01—10Antonio Relvas
LinkedInExperience: INDEPENDENT Strategic Cybersecurity & Resilience Consultant · Independent / Self Employed
Independent Strategic Cybersecurity & Resilience Consultant (self-employed) since 2024; his profile says he provides executive-level advisory services on enterprise security, risk management and organizational resilience. He was Director Cybersecurity Strategy at ZTE Corporation (2020–2023) and Independent Consultant Advisory in Resilience Cybersecurity Security (2016–2019).
James Faxon
LinkedInExperience: Founder & Principal Advisor · Risk & Insight Group
Founder & Principal Advisor at Risk & Insight Group since 2024, which his profile describes as an independent cybersecurity advisory practice that partners with executive teams and boards to turn technical risk into business decisions and build security programs. He was Managing Director (BISO) at H-E-B (2023–2024) and Head of Cyber Operations at Marathon Petroleum Corporation (2020–2021).
Javier Gonzalez
LinkedInExperience: Founder CEO Managing Partner Field CISO Fractional CISO Executive Cybersecurity Advisor · Verily Technology Advisors
Founder CEO Managing Partner Field CISO Fractional CISO Executive Cybersecurity Advisor at Verily Technology Advisors since 2009. His roles at the firm include Virtual Chief Information Security Officer (vCISO) - Government Of Puerto Rico (PRITS) in 2024 and Fractional Chief Information Security Officer - Five Star Bank in 2023. His profile says he has helped organizations strengthen cybersecurity, manage enterprise risk and align security strategies with business objectives.
Kurt Liessens
LinkedInExperience: Owner · Freelance ICT Security Consultant
Owner of Freelance ICT Security Consultant since 2006, listed as a Freelance Cyber Security Security ICT Consultant since 2013 and as a freelance Security Risk Officer since 2022. His profile describes him as a freelance cyber security consultant who likes real ICT challenges, quality and increasing security maturity.
Nalan Erol
LinkedInExperience: Partner - Cyber Security Expert · Tulos Consulting GmbH
Partner - Cyber Security Expert at Tulos Consulting GmbH since 2026 and a self-employed management consultant since 2011. Other listed roles include Information Security & Risk Management Consulting (2022–2024) and Information Security Consultant at an auditing company (2020–2021). The profile describes helping organizations turn information security from a compliance burden into a business enabler, drawing on Big 4 work and over 15 years of independent consulting.
Nicholas G.
LinkedInExperience: Founder & Principal vCISO & Cybersecurity Advisor · Secure Minds Cyber
Founder & Principal vCISO & Cybersecurity Advisor at Secure Minds Cyber since 2024; his profile describes the firm as an independent security advisory practice focused on AI security and agentic GRC. He was Head of Security and IT at Strava (2025–2026), Head of Security Strategy and Operations at Roblox (2024–2025) and Manager of Security Governance, Risk, and Compliance at Meta (2021–2022).
Sam Aiello, Ph.D.
LinkedInExperience: Founder & Principal vCISO Security Architect · Vickery Cybersecurity Consulting
Founder & Principal vCISO Security Architect at Vickery Cybersecurity Consulting since 2024. The profile says this work helps CISOs, boards and strategic partners turn Zero Trust, SASE and AI security into operating models that survive audits and attackers. Former Principal Security Solution Architect at Verizon Business (2023–2024).
Tony Cleal CISSP, SSCP, CISA, CISM, GCIH
LinkedInExperience: CEO CISO Founder Cyber Security Advisor - Threat Intel, Natl Security, Resilience & Strategy · Black Arrow Cyber Consulting Limited
CEO CISO Founder Cyber Security Advisor - Threat Intel, Natl Security, Resilience & Strategy at Black Arrow Cyber Consulting Limited since 2018. His profile describes him as a cyber security consultant who supports senior leadership and private clients on information security, drawing on a career in National Security and British Intelligence. He was Cyber & Information Security Technical Specialist (Assistant Director) (Contract) at the Guernsey Financial Services Commission (2018–2019).
Trisha Wilbrand
LinkedInExperience: Senior Cybersecurity Consultant · REDW Advisors & CPAs
Former Senior Cybersecurity Consultant at REDW Advisors & CPAs (2024–2026) and former Senior Consultant Cybersecurity Strategy and Design at PricewaterhouseCoopers Advisory, Capital Projects & Infrastructure (2020–2022); she has been a self-employed Cybersecurity Leader since 2026. Her profile describes her as a cybersecurity consultant specializing in security strategy, governance, risk and compliance (GRC) for highly regulated environments.
Venkatasubramanian Ramakrishnan
LinkedInExperience: Cyber Risk Consultant I Advisor Mentor Speaker · Freelance
Freelance Cyber Risk Consultant I Advisor Mentor Speaker since 2025. Former Head - Global Cyber Security Consulting at L&T Technology Services (2023–2025), Head - Cyber Security Practice at L&T Smart World (2018–2023) and Head - Global Cyber Risk Management at Cognizant (2002–2018). The profile describes building, leading and advising cybersecurity practices across defence, government, critical infrastructure and enterprise sectors.
Choose the right perspective
Match the consultant's background to your need, whether that is an interim or virtual CISO, a governance and compliance program, or a strategy review for leadership. Ask which frameworks and regulated environments they have worked in and how they hand the work over to your own team.
Questions to take into the conversation
- 01How do you scope a first cybersecurity engagement, and what do you need to see in the first few weeks?
- 02How do you turn technical security findings into decisions that executives and boards can act on?
- 03When does a company need a full-time security leader rather than a consultant or virtual CISO?
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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