# clm_70DF9F138418

subject: C3.ai (/record/c3-ai.md)  
predicate: chair  
value: Thomas M. Siebel  
valid_from: 2009-01-01  
valid_to: null  
published: 2026-05-12  
recorded: 2026-10-29  
confidence: 0.95  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-10-30  
checked: 2026-10-29 · its source page states the value and the date  

> Mr. Siebel, 73, is the founder of the Company and has served as Executive Chairman since September 2025. Prior to that he served as the Chairman of our Board since January 2009

What https://www.sec.gov/Archives/edgar/data/1577526/000119312526218253/d147244d8k.htm says, word for word.

## Sources

- https://www.sec.gov/Archives/edgar/data/1577526/000119312526218253/d147244d8k.htm (primary, C3.ai, Inc. (Form 8-K), published 2026-05-12)
- https://www.sec.gov/Archives/edgar/data/1577526/000119312526218253/0001193125-26-218253-index.htm (primary, SEC EDGAR 8-K Item 5.02, published 2026-05-12)

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