# Thomas Siebel

> American businessman

**Wikidata**: [Q2427296](https://www.wikidata.org/wiki/Q2427296)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Thomas_Siebel)  
**Source**: https://4ort.xyz/entity/thomas-siebel

## Summary
Thomas Siebel is an American entrepreneur, computer scientist, and billionaire businessman known for founding Siebel Systems and C3.ai. He has played a major role in enterprise software and artificial intelligence applications, building companies that have shaped modern business technology.

## Biography
- Born: November 20, 1952, Chicago, Illinois, United States
- Nationality: American
- Education: University of Illinois Urbana–Champaign (degrees not specified), Shattuck-Saint Mary's School
- Known for: Founding Siebel Systems and C3.ai, enterprise software and AI applications
- Employer(s): C3.ai (current), founder of Siebel Systems (sold to Oracle)
- Field(s): Computer science, information technology, artificial intelligence, informatics, applications

## Contributions
Thomas Siebel founded Siebel Systems in 1993, which became a leader in customer relationship management (CRM) software before being acquired by Oracle in 2006 for $5.8 billion. In 2009, he founded C3.ai, a company focused on enterprise AI software applications, providing AI-driven solutions for industries including energy, manufacturing, and healthcare. His work has advanced the adoption of AI and data analytics in business operations, enabling organizations to leverage machine learning for predictive maintenance, fraud detection, and supply chain optimization. Siebel has also authored books on digital transformation and the impact of AI on business and society.

## FAQs
### Q: What companies did Thomas Siebel found?
A: Thomas Siebel founded Siebel Systems in 1993, a CRM software company acquired by Oracle in 2006, and C3.ai in 2009, an enterprise AI software company.

### Q: What is Thomas Siebel's net worth?
A: As of 2025, Thomas Siebel's net worth is estimated at $4.1 billion.

### Q: Where did Thomas Siebel study?
A: Thomas Siebel studied at the University of Illinois Urbana–Champaign and attended Shattuck-Saint Mary's School.

## Why They Matter
Thomas Siebel has been a pivotal figure in the evolution of enterprise software and artificial intelligence. By founding Siebel Systems, he helped establish CRM as a critical business function, transforming how companies manage customer relationships. His later work with C3.ai has accelerated the integration of AI into mainstream business processes, enabling organizations to harness data for strategic decision-making. Siebel's influence extends beyond technology; his writings and leadership have shaped industry perspectives on digital transformation and the future of work.

## Notable For
- Founded Siebel Systems, a pioneer in CRM software, acquired by Oracle for $5.8 billion
- Founded C3.ai, a leading enterprise AI software company
- Author of influential books on digital transformation and AI
- Member of the American Academy of Arts and Sciences
- Estimated net worth of $4.1 billion as of 2025

## Body
### Early Life and Education
Thomas Siebel was born on November 20, 1952, in Chicago, Illinois. He attended Shattuck-Saint Mary's School before earning degrees from the University of Illinois Urbana–Champaign.

### Career Beginnings and Siebel Systems
In 1993, Siebel founded Siebel Systems, which specialized in CRM software for sales, marketing, and customer service. The company grew rapidly and became a dominant player in enterprise software, culminating in its acquisition by Oracle in 2006 for $5.8 billion.

### C3.ai and Enterprise AI
After the sale of Siebel Systems, Thomas Siebel founded C3.ai in 2009. The company focuses on developing AI-driven software applications for industries such as energy, manufacturing, and healthcare. C3.ai's platforms enable organizations to deploy machine learning models for predictive analytics, fraud detection, and operational efficiency.

### Publications and Thought Leadership
Siebel has authored several books, including "Digital Transformation: Survive and Thrive in an Era of Mass Extinction" and "Virtual War: The Evolution of Conflict in the Information Age," contributing to the discourse on technology's impact on business and society.

### Recognition and Influence
Thomas Siebel is a member of the American Academy of Arts and Sciences and has been recognized as one of the Great American Business Leaders of the 20th century. His companies have received numerous industry awards, and he is a frequent speaker at global technology and business forums.

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## References

1. Integrated Authority File
2. Czech National Authority Database
3. International Standard Name Identifier
4. Virtual International Authority File
5. CiNii Research
6. Davos 2022 Participant List
7. Google Knowledge Graph
8. [The Forbes List 2025. Forbes. 2025](https://www.forbes.com/forbes-400/)
9. National Library of Israel Names and Subjects Authority File
10. [Source](https://www.podchaser.com/creators/thomas-m-siebel-107a9AyHz9/appearances)