# Thomas Siebel

Type: Person

Source: GetYourBrief — https://getyourbrief.com/entity/thomas-siebel
Canonical HTML page: https://getyourbrief.com/entity/thomas-siebel

## Timeline

- **2026-03-09**: Restructuring Announced — C3.ai confirms 26% layoffs and stock hits new YTD lows.
- **2026-03-09**: Market Sell-off — Stock hits 33% YTD decline as layoff news and poor financials weigh on sentiment.
- **2026-01-31**: Fiscal Quarter End — Company records a 46% YoY revenue decline to $53.3M.
- **2026-01-31**: Fiscal Quarter End — C3.ai records a 46% revenue drop, missing market expectations significantly.
- **2025-12-31**: Annual Performance — C3.ai stock closes the year down 61%.
- **2025-09-01**: Leadership Transition — Stephen Ehikian succeeds founder Thomas Siebel as CEO.
- **2025-09-01**: Leadership Change — Stephen Ehikian replaces founder Thomas Siebel as CEO due to Siebel's health reasons.

## Recent coverage (5 stories, network-wide)

### C3.ai Faces Existential Crisis as Revenue Plummets 46% Amid CEO Transition
2026-03-10 00:51:00 · Sector: ai · Sentiment: Negative · Impact: 6/10 · Sources: 2

C3.ai is grappling with a 33% year-to-date stock decline following a disastrous quarterly report showing a 46% revenue contraction. Under new CEO Stephen Ehikian, the enterprise AI firm is implementing a 26% workforce reduction to stabilize a cost structure that has failed to capitalize on the broader AI boom.
Full story: https://getaibrief.com/story/c3-ai-stock-decline-analysis-2026

### C3.ai’s Deepening Crisis: Can CEO Stephen Ehikian Reverse a 33% YTD Collapse?
2026-03-10 00:50:28 · Sector: saas · Sentiment: Negative · Impact: 6/10 · Sources: 2

C3.ai faces a critical juncture after a 46% revenue decline and a 26% workforce reduction under new CEO Stephen Ehikian. Despite its prime positioning in the enterprise AI sector, the firm is struggling to translate industry tailwinds into financial growth, leaving investors skeptical of its long-term viability.
Full story: https://getsaasbrief.com/story/c3-ai-stock-decline-analysis-2026

### C3.ai Faces Existential Crisis as Revenue Plummets 46% Amid Leadership Shift
2026-03-10 00:50:24 · Sector: startups · Sentiment: Negative · Impact: 6/10 · Sources: 2

C3.ai is grappling with a 33% year-to-date stock decline following a disastrous quarterly report showing a 46% revenue contraction. Under new CEO Stephen Ehikian, the company is implementing aggressive 26% workforce cuts to stabilize a business that has failed to capitalize on the broader AI gold rush.
Full story: https://getstartupbrief.com/story/c3-ai-revenue-plummets-leadership-shift

### C3.ai Slashes 26% of Workforce as Stock Plummets 22% After-Hours
2026-02-26 05:50:59 · Sector: finance · Sentiment: Strongly negative · Impact: 7/10 · Sources: 2

Enterprise AI software provider C3.ai has announced a massive 26% reduction in its workforce alongside a $135 million cost-cutting initiative. The move follows a significant revenue miss and has triggered a 22% decline in share price as investors react to the company's struggling cost structure.
Full story: https://getfinancebrief.com/story/c3-ai-layoffs-stock-plunge-analysis

### 3 Unstoppable AI Stocks for Long-Term Portfolios Under $3,000
2026-02-20 00:13:15 · Sector: ai · Sentiment: Positive · Impact: 6/10 · Sources: 2

A new market analysis identifies Nvidia, Microsoft, and C3.ai as the premier artificial intelligence stocks for retail investors with a $3,000 budget. These companies represent the critical hardware, cloud infrastructure, and enterprise software layers of the AI ecosystem.
Full story: https://getaibrief.com/story/unstoppable-ai-stocks-investment-analysis-2026

---
This page is a machine-readable summary. Sentiment measures the directional read of each development for this entity, not the tone of the reporting; impact weights consequence, not syndication reach. See https://getyourbrief.com/guides/methodology for the full editorial methodology.