Tenable Appoints Dino DiMarino as Chief Revenue Officer
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
News Market Reaction – TENB
On the day this news was published, TENB declined 1.07%, reflecting a mild negative market reaction.
Data tracked by StockTitan Argus on the day of publication.
Key Figures
Market Reality Check
Peers on Argus
Peer moves are mixed: RELY is down 5.42% while ODD is up 4.26%, with no clear sector-wide trend and no same-day peer news, pointing to company-specific context for TENB.
Historical Context
| Date | Event | Sentiment | Move | Catalyst |
|---|---|---|---|---|
| Mar 09 | Analyst recognition | Positive | -0.1% | Named a Challenger in 2026 Gartner Magic Quadrant for CPS protection. |
| Mar 02 | Conference announcement | Positive | +2.1% | Announced EXPOSURE 2026, a global exposure management and AI security conference. |
| Feb 19 | Research report | Neutral | -0.8% | Released Cloud and AI Security Risk Report outlining widespread AI-related exposures. |
| Feb 17 | Investor conferences | Neutral | -2.0% | Co-CEO and CFO scheduled to present at major technology investor conference. |
| Feb 12 | Analyst recognition | Positive | -1.9% | Named the current company to beat for AI-powered exposure assessment by Gartner. |
Recent positive AI/exposure-management recognition often saw flat-to-negative next-day moves, while event-focused news had a modest positive reaction.
Over the past month, Tenable has highlighted its AI-powered exposure management positioning through multiple recognitions and events. Gartner named it a Challenger in CPS protection and previously “the company to beat” for AI-powered exposure assessment, yet shares slipped modestly after those accolades. An upcoming EXPOSURE 2026 conference drew a +2.13% reaction, while other news such as research reports and investor conference appearances saw small declines. Against this backdrop, today’s CRO appointment fits an ongoing growth and AI-focused execution narrative.
Market Pulse Summary
This announcement adds an experienced Chief Revenue Officer to support Tenable’s AI-driven exposure management ambitions. Coming after 2025 revenue of $999.4 million and backlog of $159.9 million, it underscores a focus on scaling global sales and partner ecosystems. Investors may track how this hire influences growth metrics, particularly subscription expansion, enterprise adoption of AI security offerings, and progress from the current level below the $27.87 200-day moving average.
Key Terms
exposure management technical
ai security technical
AI-generated analysis. 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
FAQ
Who is Dino DiMarino and what role did he take at Tenable (TENB) on March 12, 2026?
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