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Billionaire Profile
John Fish
Global Rank
#1182

Image: No machine-readable author provided. Terence assumed (based on copyright claims). | CC BY 2.5 | via Wikimedia Commons

John Fish

CEO, Construction
Boston, Massachusetts
Real-Time Net Worth
$3.64B
Estimated based on Construction stock value as of September 10, 2026
0% (24h)
Age
66
Source
Construction
Industry
Construction & Engineering
Citizenship
United States

Biography

John Fish is the Chairman and CEO of Suffolk Construction, the largest building company in New England. With a net worth of $3.6 billion (as of March 2026), Fish built Suffolk into a national construction powerhouse. He is a key figure in Boston's business and civic life, chairing the Real Estate Roundtable and Boston College's Board of Trustees. His career has included leadership roles in various organizations and significant philanthropic contributions, reflecting his commitment to economic stability and community development. Fish emphasizes innovation, investing heavily in construction technology, and fostering a "No Fault Culture" within Suffolk to encourage risk-taking and innovation.

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Data Updated
Sep 10, 2026
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Wealth Over Time

Net Worth History

YearNet Worth
2026$3.64B
2025$3.60B
2024$3.60B

Portfolio Holdings

Suffolk Construction Company

Suffolk Construction Company

construction-engineering
$3.60B
Holdings Value
Ownership
100%
Revenue
$7.50B
Boston, Massachusetts
3500 employees
Founded 1982

In-Depth Profile

Early Life and Education

John Fish was raised in Hingham, Massachusetts. He attended Tabor Academy, where he played football, and graduated from Bowdoin College in 1982 with a degree in political science. He also received an honorary doctorate from Curry College in 2019.

Rise to Success

After college, Fish worked for Peabody Construction, his father's company. At the age of 23, in 1982, he took charge of the newly formed Suffolk Construction Company, an offshoot of the family construction business. Fish built the company into a national construction company, overseeing high-profile projects like the Millennium Tower in Boston and Encore Boston Harbor. In 2006, Fish bought out his father's stake in the company. By 2024, Suffolk had $6 billion in revenue.

Key Business Strategies

Fish has expanded Suffolk's U.S. footprint through the 1990s and 2000s, constructing buildings in the commercial, healthcare, higher-ed, K-12, airport, life sciences, and gaming sectors. Since 2019 Suffolk has invested over $50 million across more than 50 construction tech startups, including robotics and AI ventures. In 2017, he hired MIT grad and McKinsey & Company data scientist Jit Kee Chin as Chief Data Officer. He also brought on 39 analysts to pour through historical data from hundreds of projects and created a mission control center at its headquarters where the findings are studied to help teams make better business decisions.

Philanthropy

Fish is committed to philanthropic endeavors focused on creating opportunities for young people. He founded Scholar Athletes, a program to improve the academic performance of inner-city high school students. He also serves as Chair of Brigham and Women's Hospital and sits on Mass General Brigham's Executive Committee. He is also the Chair of the Board at Boston College.

Career Milestones

1982

Founded Suffolk Construction Company

Took charge of Suffolk Construction Company, an offshoot of the family business.

2006

Bought out father's stake

Purchased his father's stake in Suffolk Construction.

2009

Founded Scholar Athletes

Founded Scholar Athletes and led the program improving the lives of inner-city high school students.

Philanthropy & Social Impact

Education

Scholar Athletes

Undisclosed

A program that leverages the proven link between school athletics participation and strong academic performance to improve the academic performance of inner-city high school students.

Healthcare

Brigham and Women's Hospital

$5M

Donated to Brigham and Women's Hospital's “Life. Giving. Breakthroughs” $1 billion capital campaign.

Education

Tabor Academy and Hobart and William Smith Colleges

$35M

He and his wife, Cynthia, recently pledged $10 million to his alma mater, Tabor Academy, following their $25 million donation to Hobart and William Smith Colleges.

Business Philosophy & Leadership

Notable Quotes

"If we don't innovate we'll die."

"We don't build buildings—we build people."

Leadership Principles

Humility and Learning

Encourages employees to take risks and learn from mistakes.

Caring

Leads with a sense of caring and authenticity.

Controversies & Challenges

2017

FEC Fine

Suffolk Construction Company was fined $34,000 for improper corporate contributions to a political action committee.

Billionaires Connected to John Fish

Peers in Construction & Engineering

All Construction & Engineering billionaires

Richest in United States

All billionaires from United States

Adjacent Global Ranks

Full global ranking

Frequently Asked Questions

What is John Fish's net worth in 2026?
As of 2026, John Fish's estimated net worth is $3.641 billion, ranking #1182 among the world's billionaires. The estimate is based on publicly available shareholding data and market prices, updated daily.
How did John Fish make their money?
John Fish's wealth primarily comes from Construction, most notably through Construction.
Where is John Fish from?
John Fish is from United States.
How old is John Fish?
John Fish is 66 years old.

Sources & References

  1. John Fish — Forbes profile Forbes