# Corey Hulen

> Corey Hulen is CEO of Mattermost Federal and a co-founder and former CTO of Mattermost. His career has moved from enterprise architecture at VerticalNet and Microsoft Office through the SRI-born Tempo AI, which Salesforce acquired, to an open-source collaboration platform designed for organizations that need to own their software, data, and operational choices.

- **Role:** CEO of Mattermost Federal, Inc. and Co-founder of Mattermost, Inc.
- **Organizations:** Mattermost Federal, Inc., Mattermost, Inc., Tempo AI, SRI International, Pricini.com, Microsoft, VerticalNet, Zot Technologies
- **Nationality:** American
- **Education:** BS, Computer Science, California Polytechnic State University, San Luis Obispo
- **Known for:** Co-founded Mattermost and helped establish its open-source, self-hosted approach to secure collaboration., Co-founded Tempo AI, an SRI spin-off whose mobile calendar assistant was acquired by Salesforce., Holds 30 patents in Microsoft technologies, according to Mattermost's current leadership biography.

## Career timeline

- **1996-1999** — Founded Zot Technologies and worked as a software consultant.
- **1999-2002** — Worked as a senior architect at VerticalNet on enterprise supply-chain software.
- **2002-2008** — Served as a senior development lead and architect at Microsoft, including work across the Office, SharePoint, and Business Intelligence product lines.
- **2008-2011** — Founded Pricini.com at Earnstone Corporation and served as chief architect.
- **2011** — Served as an entrepreneur-in-residence at SRI International.
- **2011-2014** — Co-founded Tempo AI and served as CTO; the SRI spin-off built an AI-assisted mobile calendar and was later acquired by Salesforce.
- **2014-2015** — Joined Ian Tien to develop Mattermost from the technology and corporate roots of the SpinPunch game company; the project was open-sourced in 2015.
- **2015-2025** — Led Mattermost's technology direction as co-founder and CTO, developing an open-source, self-hosted collaboration platform.
- **2023-2024** — Led Mattermost's Small Business Innovation Research program, including work on four active contracts and custom ChatOps capabilities.
- **2025-present** — Leads Mattermost Federal as CEO while remaining a co-founder of Mattermost; Mattermost now identifies him as CTO Emeritus.

## Achievements

- Co-founded Mattermost and helped establish its open-source, self-hosted approach to secure collaboration.
- Co-founded Tempo AI, an SRI spin-off whose mobile calendar assistant was acquired by Salesforce.
- Holds 30 patents in Microsoft technologies, according to Mattermost's current leadership biography.
- Led Mattermost's SBIR program and the development and testing of custom mission-critical ChatOps capabilities across four active contracts in 2023.
- Was named a 2024 WashingtonExec Chief Officer Awards finalist in the private and public CTO category.
- Helped lead product work used by U.S. Air Force Air Mobility Command during the Mobility Guardian 2023 exercise across an area of nearly 13 million square miles.

## Latest updates

- **2026-03** — Was scheduled to present “Data Destiny at the Edge: Orchestrating Decision Dominance from Tactical Links to Joint Command” at TechNet Pacific Northwest.
- **2026-01** — Mattermost's current leadership page lists Hulen as CEO of Mattermost Federal, co-founder of Mattermost, and CTO Emeritus.
- **2025-04** — Published an article arguing for auditable, self-hosted collaboration in mission-critical government environments.
- **2025-01** — Joined a National CIO Review webinar on building mission-centric IT organizations and discussed automation, security culture, and open communication.

## Links

- Website: https://hulen.com/
- LinkedIn: https://www.linkedin.com/in/coreyhulen
- Twitter/X: https://x.com/corey_hulen
- GitHub: https://github.com/coreyhulen
- Facebook: https://www.facebook.com/corey.hulen

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Profile page: https://yespress.io/corey-hulen
Published by YesPress — https://yespress.io
Last updated: 2026-09-28