# Leslie Henthorn

> Leslie Henthorn is Fleetio's first chief marketing officer, a Denver-based enterprise software executive whose career has moved from Cisco program operations to eight years of hypergrowth at Twilio, then the CMO role at Ironclad. Her public work centers on a practical idea: technical products earn growth when marketing creates clarity, builds genuine community, and maintains trust long before a buyer enters the pipeline.

- **Role:** Chief Marketing Officer at Fleetio
- **Organizations:** Fleetio, Ironclad, Twilio, Cisco Systems, Insight Educational Consulting, University of Washington
- **Education:** Bachelor of Arts in Liberal Arts and Sciences, General Studies and Humanities, University of Washington
- **Known for:** Built Twilio's field marketing organization from seven people to more than 80., Helped transform Twilio's annual conference into an event with more than 40,000 attendees., Grew Ironclad's marketing organization from 23 to 75 people.

## Career timeline

- **2006** — Worked in sales enablement field training at Cisco Systems and as an instructional designer at Insight Educational Consulting.
- **2007-2014** — Held operations, instructional design and worldwide channel program roles at Cisco Systems.
- **2014** — Joined Twilio in channel marketing programs.
- **2015-2021** — Advanced through senior marketing, demand, campaigns and global field marketing leadership roles at Twilio.
- **2021-2022** — Served as Twilio's interim CMO and later SVP of Corporate Marketing.
- **2022** — Left Twilio after eight years and joined Ironclad as chief marketing officer.
- **2025** — Concluded nearly three years at Ironclad after growing the marketing organization and shifting demand upmarket.
- **2025** — Joined Fleetio as its first chief marketing officer.
- **2026** — Highlighted Fleetio's People's Choice win for AI Service Advisor at the NAFA Innovations Showcase.

## Achievements

- Built Twilio's field marketing organization from seven people to more than 80.
- Helped transform Twilio's annual conference into an event with more than 40,000 attendees.
- Grew Ironclad's marketing organization from 23 to 75 people.
- More than doubled Ironclad's inbound new-business pipeline and shifted the majority of inbound demand toward enterprise buyers.
- Helped Ironclad earn and maintain Gartner and Forrester Leader recognition for two consecutive years beginning in 2023.
- Launched an Ironclad roadshow series to meet customers face to face.
- Appointed Fleetio's first chief marketing officer in 2025.

## Latest updates

- **2026-05** — Celebrated Fleetio AI Service Advisor winning the People's Choice Award at the NAFA Innovations Showcase, emphasizing practical AI in existing maintenance workflows.
- **2025-11** — Fleetio publicly announced Henthorn as its first chief marketing officer.
- **2025-08** — Published an essay arguing that brand authority and trust are increasingly important as AI changes buyer discovery.
- **2025-07** — Announced her departure from Ironclad near her three-year anniversary and summarized the team's growth, pipeline and analyst-recognition milestones.

## Links

- Website: https://www.fleetio.com
- LinkedIn: https://www.linkedin.com/in/lesliehenthorn
- Twitter/X: https://x.com/lesliehenthorn

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Profile page: https://yespress.io/leslie-henthorn
Published by YesPress — https://yespress.io
Last updated: 2026-08-31