Cybersecurity leadership advisory for executives, boards, and builders

Twenty-five years in the chair. No vendor quota. No hidden agenda.

Herrin Advisory is a boutique firm serving CISOs, CEOs, boards, and investors who need a trusted practitioner voice. We take on a small number of clients at a time because quality of attention is the product.

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25+
Years as Practitioner
65+
Keynotes Delivered
45+
Published Articles
AIG · Texas Capital Bank · F5 · Athene · Forbes Technology Council
What We Do

Services

Most client relationships begin with a 30-minute discovery call to assess fit and scope. From there we propose one of these packages, or a custom scope for complex engagements.

🏛

Board Advisory

Formal board advisory seats and custom executive briefings for boards navigating cybersecurity, AI risk, and technology governance. Limited to four active seats.

$50K/yr + equity · Custom briefings from $12K
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🧭

Executive Advisory

Strategic guidance for executives facing specific decisions: vendor selection, architecture choices, post-incident pivots, or acquisition diligence. Access to a senior practitioner without the overhead of a formal engagement.

Office hours from $1,500 · Retainers from $4,500/mo
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🎙

Keynote Speaking

Sixty-plus keynotes on cybersecurity strategy, AI and identity, geopolitics and technology, board-level risk, and the future of trust. Topics tailored to the audience. We don't recycle decks.

Corporate keynotes from $15K · Virtual from $7.5K
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🎤

Event Hosting & Moderation

Professional MC, moderator, and program curator for industry events, summits, and private client gatherings. The difference between a good event and a forgettable one is usually the person at the microphone.

Half-day from $5K · Full-day from $12K
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🛡

Fractional CISO

Very Limited Capacity

CISO-grade strategic guidance, board engagement, and program ownership for growth-stage companies, PE portfolio companies between CISOs, and firms preparing for a material event.

Advisory from $6.5K/mo · Embedded from $14K/mo
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📦

Product Advisory

Honest buyer-side feedback for startups, product leaders, and investors. Twenty-plus years as a buyer of security technology, plus two successful founder exits. Pre-launch reviews, ICP validation, and ongoing advisory.

Feedback sessions from $1,500 · Ongoing from $4K/mo
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🤝

Client Executive Visits

An experienced CISO voice in the room for VARs, integrators, and sales organizations. No vendor quota, no product line, no upsell motion. Just honest opinions and the ability to translate between engineering, security, and the C-suite.

Half-day from $3,750 · Quarterly retainer $35K/yr
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Chuck Herrin
About

Chuck Herrin

CEO and Managing Principal of Herrin Advisory. Twenty-five years as a cybersecurity practitioner and technology executive at AIG, Texas Capital Bank, Athene, and F5. CISSP, CCSP. Forbes Technology Council member. NACD.DC Certified Board Director.

Former CISO at AIG (leading security for $28 billion in consumer businesses across 100 countries) and Texas Capital Bank (improving security benchmarking from bottom 5% to top 1%). Most recently Field CISO at F5, serving as the public face of F5 Security.

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Global Race Condition

Chuck's public intelligence briefing. Geopolitics, cybersecurity, AI, and macroeconomics synthesized into analysis that helps business and technology leaders make better decisions. Published three times per week. Free on Substack.

Read the latest briefing →