Tenable Appoints Dino DiMarino as Chief Revenue Officer
Tenable (NASDAQ: TENB) appointed Dino DiMarino as Chief Revenue Officer effective March 12, 2026.
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Rhea-AI Summary
Tenable (NASDAQ: TENB) appointed Dino DiMarino as Chief Revenue Officer effective March 12, 2026. Based in Boston, DiMarino will lead global sales, partner ecosystems and revenue operations to scale Tenable’s exposure management and AI security go-to-market amid rising enterprise demand.
He succeeds Dave Feringa, who retired after a long Tenable tenure, and brings 20+ years of leadership including CRO roles at Snyk, Qualys and Mimecast.
Positive
- Experienced CRO hire with 20+ years of cybersecurity and revenue leadership
- Global go-to-market leadership assigned to scale AI exposure management demand
- Succession completed with predecessor retired, enabling leadership continuity
Negative
- No financial targets or quantified guidance provided with the appointment
Details
News Market Reaction – TENB
On Mar 12, the day this news came out, TENB closed 1.07% below the previous close.
Data tracked by StockTitan Argus for the Mar 12 session.
Key Figures
- Leadership experience
- More than 20 years
- Dino DiMarino’s global technology and cybersecurity leadership background
- 2025 revenue
- $999.4 million
- Full-year 2025 revenue from 10-K filing
- 2024 revenue
- $900.0 million
- Full-year 2024 revenue from 10-K filing
- Revenue growth
- 11% increase
- 2025 vs. 2024, driven by subscription growth
- Net loss 2025
- $36.1 million
- Full-year 2025 net loss from 10-K filing
- Backlog
- $159.9 million
- Backlog at December 31, 2025 from 10-K filing
- Customer count
- Over 40,000 customers
- Global customers served as of December 31, 2025
- Fortune 500 penetration
- About 65%
- Portion of Fortune 500 served as of December 31, 2025
Historical Context
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Named a Challenger in 2026 Gartner Magic Quadrant for CPS protection.
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Announced EXPOSURE 2026, a global exposure management and AI security conference.
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Released Cloud and AI Security Risk Report outlining widespread AI-related exposures.
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Co-CEO and CFO scheduled to present at major technology investor conference.
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Named the current company to beat for AI-powered exposure assessment by Gartner.
24h Move is the share-price change in the day after each event; other market factors may also have contributed.
Key Terms
exposure management technical
ai security technical
AI-generated analysis. How Rhea-AI works. Not financial advice.
Strategic growth leader to accelerate Tenable’s AI exposure management market opportunities worldwide
COLUMBIA, Md., March 12, 2026 (GLOBE NEWSWIRE) -- Tenable® Holdings, Inc. (NASDAQ: TENB), the exposure management company, today announced the appointment of Dino DiMarino as Chief Revenue Officer (CRO). DiMarino joins the leadership team to drive Tenable’s next phase of hyper-growth. Based in Boston, DiMarino will oversee global sales, partner ecosystems and revenue operations as the company scales to meet surging enterprise demand for exposure management and AI security.
“Dino has a consistent track record for generating sustained momentum and scaling organizations to take advantage of emerging market opportunities,” said Mark Thurmond, Co-CEO of Tenable. “With Dino at the helm, we’ll be able to expand our global footprint and accelerate pipeline growth with customers seeking to deepen their AI exposure management programs. We have ambitious goals, and Dino’s leadership will be pivotal in driving aggressive expansion, scale and growth.”
“Tenable is uniquely positioned to help organizations understand and reduce cyber risk in an era where AI is rapidly expanding the attack surface,” said DiMarino. “I’m excited to join a team that is defining the future of exposure management and helping customers turn security insights into real risk reduction.”
DiMarino brings more than 20 years of leadership experience building and scaling global technology and cybersecurity businesses. He previously held Chief Revenue Officer roles at Snyk, Qualys and Mimecast, and served as CEO of AppViewX. Earlier in his career, he held senior executive roles at RSA Security and Dell EMC.
DiMarino succeeds Dave Feringa, who retired following a distinguished career at Tenable.
About Tenable
Tenable® is the exposure management company, exposing and closing the cybersecurity gaps that erode business value, reputation and trust. The company’s AI-powered exposure management platform radically unifies security visibility, insight and action across the attack surface, equipping modern organizations to protect against attacks from IT infrastructure to cloud environments to critical infrastructure and everywhere in between. By protecting enterprises from security exposure, Tenable reduces business risk for over 40,000 customers around the globe. Learn more at tenable.com.
Media Contact:
Tenable
tenablepr@tenable.com
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