BillionaireNet
Colgrove
John Colgrove
Rank #2916
UStechnologyData management and storage

John Colgrove

Net Worth
$643B
% (24h)
John Colgrove, the Chief Visionary Officer and co-founder of Pure Storage, Inc., is a self-made billionaire in the technology sector. With a net worth of $643 million as of December 15, 2025, his wealth stems from his expertise in data management and storage. Colgrove's career includes founding Pure Storage in 2009, where he developed the global technical strategy and holds over 170 patents in computer system design. His journey began with a computer science degree from Rutgers University, followed by roles at Bell Labs and Veritas Software before transitioning to an entrepreneur-in-residence role at Sutter Hill Ventures. Colgrove's influence extends beyond his technical acumen, as he focuses on building a great company.

The Full Dossier

Early Life

John Colgrove, often called "Coz," grew up in New Jersey and developed an early interest in computer science, influenced by his father, a research chemist. He pursued computer programming through an accelerated math program and furthered his education at Rutgers University, where he earned a computer science degree.

Rise to Success

After graduating from Rutgers University, Colgrove worked at Bell Labs and then joined Veritas Technologies as a founding engineer, experiencing their IPO and subsequent acquisition by Symantec. Colgrove spent two decades working in storage, making him one of the industry's foremost experts. In 2009, he co-founded Pure Storage with John Hayes, aiming to revolutionize data storage. The company's early growth was fueled by venture capital, raising over $525 million before going public in 2015.

Key Business Strategies

Colgrove's strategy at Pure Storage involved identifying the need for flash storage and focusing on making data management easier. He emphasized building a strong team and culture, hiring engineers who could solve problems and upend existing industry norms. Colgrove also focused on long-term goals and recognized the importance of energy efficiency.

Philanthropy

While the exact details of John Colgrove's philanthropic endeavors are not widely publicized, he has established the Colgrove Family Charitable Remainder Trust, showing his commitment to charitable giving.

Career Timeline

2015

Pure Storage IPO

Pure Storage went public.

2009

Co-founded Pure Storage

Co-founded Pure Storage and became CTO.

2005

Symantec Acquisition

Symantec acquired Veritas Software.

1993

Veritas Software IPO

Veritas Software went public.

1987

Moved to the Bay Area

Moved to the Bay Area to pursue job opportunities in the tech industry.

Philanthropic Impact

Charitable GivingUndisclosed

Colgrove Family Charitable Remainder Trust

The trust sells a portion of its shares.

Wealth Trajectory