Billionaire Profile
John A. Sobrato & family
Global Rank
#584

Image: Public domain | via Wikimedia Commons

John A. Sobrato & family

CEO, The Sobrato Organization
US
Real-Time Net Worth
$6.5B
As of December 2025
Age
86
Source
Real estate
Industry
real-estate
Citizenship
US

Biography

John A. Sobrato, born May 23, 1939, is an 86-year-old American real estate mogul and philanthropist. He is the founder and chairman emeritus of The Sobrato Organization, a prominent Silicon Valley development firm specializing in commercial and residential real estate. His wealth source is primarily real estate, and he has a long career marked by significant achievements in the industry. The Sobrato family is known for its extensive philanthropic contributions, with a focus on education, housing, and economic mobility. Sobrato's career began in real estate investing in 1957 while attending Santa Clara University. Over the years, he has developed millions of square feet of office space and thousands of apartments. The family's net worth is estimated at $6.5 billion.

Wealth Over Time

In-Depth Profile

Early Life

John Albert Sobrato was born on May 23, 1939, in San Francisco, California, to Italian immigrants. His father owned a popular San Francisco restaurant, John's Rendezvous. After his father's death, his mother invested in real estate, sparking Sobrato's interest in the field.

Rise to Success

Sobrato began his real estate investing career in 1957 while studying at Santa Clara University. He founded The Sobrato Organization in 1979. Over the years, the company grew to hold over 110 commercial buildings and more than 30 apartment complexes. He partnered with Carl Berg, another successful Silicon Valley investor.

Key Business Strategies

Sobrato's success stems from strategic real estate development in Silicon Valley, building for the tech industry, and a focus on long-term investments. The Sobrato Organization has developed and leased office campuses for major tech companies like Amazon, Netflix, Apple, Google, and others. The firm's real estate group develops, owns, and operates world-class office buildings, apartment homes, and mixed-use projects.

Philanthropy

The Sobrato family has a strong tradition of philanthropy. The Sobrato Philanthropies, including the Sobrato Family Foundation, has donated over $314 million in money and property, and has given $1.3 billion since its inception in 1996. They have signed the Giving Pledge. They focus on education, housing security, economic mobility, and healthcare. Beneficiaries include Santa Clara University and the University of San Francisco.

Career Milestones

1957

Began Real Estate Investing

Started investing in real estate while attending Santa Clara University.

1979

Founded The Sobrato Organization

Founded a Silicon Valley development firm.

2013

Shifted Focus to Philanthropy

Moved away from managing the company's daily operations to focus on charitable activities.

Philanthropy & Social Impact

Education, Housing, Human Services

Sobrato Family Foundation

$314M

Donated over $314 million in money and property.

General Philanthropy

Giving Pledge

Undisclosed

Committed to donating wealth for charitable purposes.

Education

Santa Clara University STEM Education Center

$100M

Pledged $100 million to Santa Clara University for a new STEM education center.

Education

Sobrato Campus for Discovery and Innovation

$100M

Investment in a state-of-the-art complex for transformational STEM education at Santa Clara.

Business Philosophy & Leadership

Notable Quotes

"If you are successful in a particular business, you have an obligation to share some of that success with the communities where you were able to succeed."

Leadership Principles

Community Involvement

Sharing success with the community and supporting local initiatives.

Family Philanthropy

Involving family members in philanthropic activities.