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Billionaire Profile
Peter Kellogg
Global Rank
#794

Image: Peter McDermott  | CC BY-SA 2.0 | via Wikimedia Commons

Peter Kellogg

CEO, IAT Reinsurance Co.
UNITED STATES
Real-Time Net Worth
$5.299B
Estimated based on IAT Reinsurance Co. stock value as of March 6, 2026
-0.41% (24h)
Age
83
Source
Investments
Industry
finance-investments
Citizenship
UNITED STATES

Biography

Peter Kellogg is a prominent American businessman and philanthropist, currently ranked #298 on the Forbes 400 list (2025). With a net worth of $5.5 billion, Kellogg's wealth primarily stems from investments. His career began at Dominick & Dominick before joining his father's firm, Spear, Leeds & Kellogg, where he rose to become a leader. Under his direction, Spear, Leeds & Kellogg became the first specialist brokerage to control more than 10% of the stocks trading on the New York Stock Exchange. Kellogg is also recognized for his philanthropic efforts, including donating over $4 million to the U.S. ski and snowboarding teams and supporting the John F. Peto Studio Museum.

Fact Checked
Verified by Editorial Team
Live Data
Updated 3/6/2026

Wealth Over Time

In-Depth Profile

Early Life

Peter R. Kellogg was born on September 5, 1942. He attended the Rectory School and Berkshire School. He then matriculated at Babson College, but dropped out.

Rise to Success

Kellogg's career began at Dominick & Dominick before joining his father's firm, Spear, Leeds & Kellogg, in 1967. He took the helm in the 1980s. Under his leadership, the firm became the first specialist brokerage to control more than 10% of the stocks trading on the New York Stock Exchange. In 2000, he sold Spear, Leeds & Kellogg to Goldman Sachs for $6.5 billion.

Key Business Strategies

Kellogg's success is attributed to his strategic leadership at Spear, Leeds & Kellogg. After selling the company, he turned his focus to IAT Reinsurance Co., where he is the controlling shareholder. His strategies include identifying and capitalizing on market opportunities.

Philanthropy

Kellogg and his wife, through their charitable foundation, bought the John F. Peto Studio Museum in Island Heights, NJ in 2005 to save it from demolition. He also donated over $4 million to the U.S. ski and snowboarding teams.

Career Milestones

1967

Joined Spear, Leeds & Kellogg

Joined his father's firm after working at Dominick & Dominick.

1980s

Led Spear, Leeds & Kellogg

Became the leader of Spear, Leeds & Kellogg.

2000

Sold Spear, Leeds & Kellogg

Sold the firm to Goldman Sachs for $6.5 billion.

2005

Bought the John F. Peto Studio Museum

Through his foundation, bought the John F. Peto Studio Museum in Island Heights, NJ.

2015

CEO of IAT Reinsurance Co.

Led reinsurance outfit IAT as CEO until 2015 and continues to chair the company.

2025

Ranked #298 on Forbes 400

Ranked #298 on Forbes 400 (2025).

Philanthropy & Social Impact

Sports

U.S. Ski and Snowboarding Teams

$4M+

Donated over $4 million to the U.S. ski and snowboarding teams.

Arts and Culture

John F. Peto Studio Museum

$2M

Bought and renovated the John F. Peto Studio Museum.

Controversies & Challenges

2001

NYSE and AMEX Compliance

Accusations of fraudulent trading, but the NASD dismissed the allegations in 2004.

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