Billionaire Profile
Thierry Cruanes
Global Rank
#2559

Image: Public domain | via Wikimedia Commons

Thierry Cruanes

CEO, Snowflake
US
Real-Time Net Worth
$1.5B
As of December 2025
Age
58
Source
software
Industry
technology
Citizenship
US

Biography

Thierry Cruanes, a co-founder and the Chief Technology Officer (CTO) of Snowflake, is a US-based billionaire whose wealth stems from the software industry. Born in France, Cruanes is 58 years old as of December 5, 2025. He holds a Ph.D. in Computer Science and has over 40 patents. His career includes significant roles at Oracle and IBM before co-founding Snowflake in 2012. Cruanes played a pivotal role in Snowflake's Initial Public Offering (IPO) in 2020, one of the largest software IPOs in history. His expertise lies in query optimization and parallel execution, contributing significantly to Snowflake's foundational technology. Cruanes's estimated net worth is $1.5 billion.

Wealth Over Time

In-Depth Profile

Early Life and Education

Thierry Cruanes, born in France, laid the groundwork for his future career through a strong educational foundation. He earned a Master of Science in Computer Science from Université de Caen Normandie between 1986 and 1990. He furthered his studies at Pierre and Marie Curie University, where he obtained a Ph.D. in Computer Science specializing in Database Systems from 1991 to 1992. This education equipped him with the knowledge and expertise to excel in the technology sector.

Rise to Success

Cruanes's career in the database industry began with significant roles at leading companies. He spent 13 years at Oracle, focusing on optimization and parallelization within Oracle databases, and even led the optimization group. Before Oracle, Cruanes worked at the IBM European Center of Applied Mathematics for seven years, focusing on data mining technologies.

In 2012, Cruanes co-founded Snowflake Computing with Benoit Dageville and Marcin Zukowski. As CTO, he has been instrumental in the company's growth. Snowflake's IPO in September 2020 was a major milestone, marking one of the largest software IPOs in history, and establishing Cruanes's status as a billionaire.

Key Business Strategies

Cruanes's leadership at Snowflake is characterized by his expertise in query optimization and parallel execution. He focused on building a cloud-based data platform. The company's strategy involved separating compute and storage to leverage cloud resources effectively. His deep technical understanding and focus on innovation have been crucial for Snowflake's success. Cruanes and his co-founder are still involved in coding to stay connected with the product.

Philanthropy

Information on Cruanes's specific philanthropic activities and amounts is not readily available through a public search.

Career Milestones

1991

Software Engineer

Began his career as a software engineer at Sema Group.

1995

Software Engineer

Worked at IBM European Center of Applied Mathematics.

1999

Architect

Joined Oracle and focused on optimization and parallelization layers.

2012

Co-founder and CTO

Co-founded Snowflake, a cloud-based data company.

Philanthropy & Social Impact

Unknown

Unknown

$XB

No specific philanthropic initiatives are publicly available.

Business Philosophy & Leadership

Notable Quotes

"No notable quotes are available."

Leadership Principles

Expertise in query optimization and parallel execution

Focusing on innovation and building a scalable cloud-based data platform has been critical to Snowflake's success.

Building a team

Recruiting the right people and trusting them to drive the business.

Controversies & Challenges

N/A

N/A

No controversies found.