Ian Tien Net Worth (Estimated)
CEO at Mattermost · YC S12
Quick answer
Ian Tien's estimated net worth / paper wealth is $14.6M (range $10.2M–$21.8M) as of 2026.
Ian Tien is CEO at Mattermost (YC S12). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Education: Bachelor's degree in Computer Science from the University of California, Berkeley
- Region: United States of America
- Industries: B2B, Productivity
- Team size: 120
- Website: http://mattermost.com
Who is Ian Tien?
Ian Tien is the co-founder of Mattermost, a company that provides open-source collaboration software. He was also a founder of the company that developed the popular messaging app, CtrlQ.
Highlights:
- University of California, Berkeley
- Palantir Technologies
- Y Combinator S12
About Mattermost
Mattermost provides secure collaboration for technical and operational teams that work in environments with complex nation-state level security and trust requirements. We serve technology, public sector, national defense and financial services industries with customers ranging from tech giants, to the world’s largest banks, to the U.S. Department of Defense and governmental agencies around the world.
Our...
Model inputs
- Stage: series-a
- Valuation tier: fallback-series-a
- Valuation note: no_discovery_sources [scale: large-team amount with no round/valuation — not 10×'d]
- Research as-of: 2026-08-04
- Funding input: no public raise amount found; stage fallback valuation
FAQ: Ian Tien net worth and Mattermost valuation
What is Ian Tien's net worth?
Ian Tien's estimated net worth / paper wealth is $14.6M (range $10.2M–$21.8M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
Ian Tien net worth
Ian Tien's estimated net worth / paper wealth is $14.6M (range $10.2M–$21.8M) as of 2026. This Ian Tien net worth figure is estimated paper wealth, not a verified statement of assets.
How much is Ian Tien worth?
Ian Tien's estimated net worth / paper wealth is $14.6M (range $10.2M–$21.8M) as of 2026. How much Ian Tien is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is Ian Tien?
Ian Tien's estimated net worth / paper wealth is $14.6M (range $10.2M–$21.8M) as of 2026. “How rich is Ian Tien” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
Ian Tien fortune
Ian Tien's estimated net worth / paper wealth is $14.6M (range $10.2M–$21.8M) as of 2026. This Ian Tien fortune figure is estimated paper wealth only, not a verified statement of assets.
Ian Tien equity value
Ian Tien's estimated net worth / paper wealth is $14.6M (range $10.2M–$21.8M) as of 2026. Ian Tien equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.
What is Mattermost valuation?
Mattermost's estimated valuation on Entrepreneurial Check is $80.0M. Independent model output, not a verified appraisal or official mark.
What is Mattermost post-money valuation?
Mattermost's estimated valuation on Entrepreneurial Check is $80.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.
What is Mattermost CEO net worth?
Ian Tien is listed as CEO at Mattermost. Ian Tien's estimated net worth / paper wealth is $14.6M (range $10.2M–$21.8M) as of 2026. This Mattermost CEO net worth figure is an independent paper-wealth estimate, not verified net worth.
What is Mattermost funding?
Mattermost funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Mattermost raised is not a complete cap table — figures are estimates only.
How much did Mattermost raise?
How much Mattermost raised, when disclosed, informs the estimated Mattermost valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.
How much money did Mattermost raise?
How much money Mattermost raised, when a public figure is available, is a model input for the estimated Mattermost valuation on this profile. Estimates only — not a complete cap table.
What is Mattermost series funding?
Mattermost series funding, when a public raise is disclosed, informs the estimated Mattermost valuation here. Not a complete financing history.
What company is Ian Tien building?
Ian Tien is CEO at Mattermost, a Y Combinator-backed startup (batch S12).
What does Mattermost do?
Mattermost — Secure Collaboration for Technical Teams
What YC batch is Ian Tien from?
Ian Tien is associated with Y Combinator batch S12.
Where did Ian Tien go to school?
Public profiles associate Ian Tien with Bachelor's degree in Computer Science from the University of California, Berkeley.
What other companies is Ian Tien connected to?
Public associations for Ian Tien include Palantir Technologies, CtrlQ.
Where is Ian Tien based?
Public directory data lists Ian Tien's region as United States of America.
What industry is Ian Tien in?
Ian Tien is listed under B2B, Productivity.
How big is Mattermost?
Public data lists Mattermost's team size as 120.
What else is notable about Ian Tien?
University of California, Berkeley.
Is Entrepreneurial Check affiliated with Y Combinator?
No. Entrepreneurial Check is an independent informational site and is not affiliated with, endorsed by, or sponsored by Y Combinator or the profiled companies.