Company 2018-03-14T08:56:00-04:00

About Mattermost

Mattermost, Inc.

We provide enterprise-grade messaging solutions for the world’s leading organizations on a vibrant open source platform. Our private cloud solutions offer secure, configurable, highly-scalable messaging across web, phone and PC with archiving, search, and deep integration across in-house systems. Customers include Intel, Samsung, ING, Medtronic, Urban Outfitters, and the United States Department of Energy.

Headquartered in Palo Alto, California, our company serves customers around the world with a distributed organization spanning 7 time zones.


Our mission is to empower every organization to achieve their highest priorities through modern communication. Our vision is a world more connected to what matters most.


We develop two product lines:

Mattermost Team Edition is an open source, private cloud team communications solution, free to use under MIT license, deployed by thousands of companies around the world in 14 languages. Mattermost, Inc. works in partnership with over 500 open source contributors to continually improve the software.

Mattermost Enterprise Edition is a commercial, private cloud enterprise communication solution sold via annual subscription built on top of the Mattermost open source project. Customers use our commercial and open source platforms, including open source mobile and desktop applications, to create secure, scalable, highly configurable and customizable solutions tailored to their specific communication needs.

Learn more about our products from our documentation.


Mattermost was created as an open source alternative to proprietary SaaS services that paywall organizations from their own data. Mattermost, Inc., as the steward of the Mattermost open source project, is committed to preventing lock-in by ensuring commercial Mattermost solutions always offer a downgrade path to the open source version without data loss.


Company Name: Mattermost, Inc.
Business Type: Delaware C-Corp
NAICS Code: 511210

About the Mattermost Logo

The Mattermost logo represents the four tools organizations need to achieve their highest priorities:

The Compass – Direction on where your organization needs to go
The Meter – Measures of organizational output
The Dial – Ability for every person to impact outcomes
The Clock – Timelines to get things done

See our branding guidelines for logo usage and placement.

Contact us

Mattermost, Inc.
530 Lytton Avenue, Suite 201,
Palo Alto, CA, 94301, USA

Leadership Team

Ian Tien

Chief Executive Officer and Co-Founder

Ian Tien is CEO & Co-founder of Mattermost, and previously founded SpinPunch, Inc.’s indie video game business while in graduate school, growing the business to three title franchises. He was formerly VP Product at a movie streaming startup backed by Sequoia Capital, Warner Brothers and Sony Pictures. Before that, he ran product management for Microsoft’s SkyDrive and Windows Live Photos services, and was interim lead of Hotmail. Prior, he led engineering teams for Microsoft Office in its enterprise software business across SharePoint and Business Intelligence product lines. He holds several patents and is alumnus of the University of Waterloo, where he worked at Trilogy Software during school, and the Stanford Graduate School of Business, where he served as teaching assistant for Andy Grove and Myron Scholes. Ian grew up in suburban Toronto and freelanced as an illustrator before college.

Corey Hulen

Chief Technology Officer and Co-Founder

Corey Hulen is CTO & Co-founder of Mattermost, and previously founded Tempo AI, a machine intelligence startup spun off from Stanford Research Institute, where he served as an Entrepreneur-in-Residence. Tempo AI raised $12.5M in financing, led by Sierra Ventures and Relay Ventures, and released a popular mobile smart calendaring application in 9 languages and 26 countries before being bought by for Tempo’s industry-leading platform. Before then, Corey served as engineering manager and architect for Microsoft Office in its enterprise software business across SharePoint and Business Intelligence product lines. Prior he was an architect for VerticalNet, a publicly-traded enterprise software company providing supply chain management solutions for the Global 2000. Corey is an alumnus of California Polytechnic State University.


Investors include Y Combinator, the Stanford University StartX Fund, Rick Morrison (Y Combinator Partner & CEO of Comprehend Systems), Evan Cheng (ACM Award Winner & Maintainer of LLVM), and Spectrum28.