Phillip T. (Terry) Ragon

Phillip T. (Terry) Ragon (#1218)

Global Rank #1218

Country Rank #438

Country United States

Phillip T. (Terry) Ragon is listed among the world billionaires tracked by Iconic Billionaires.

$ 4 B
Health IT
United States
M
77 Years

Snapshot

Quick Facts

Global Rank #1,218

Country Rank #438

Net Worth $3.5B

Previous Worth $3.5B

Worth Change +$0.0B

Country United States

Industry Health IT

Age 77 Years

Gender M

Worth As Of May 4, 2026

Residence Boston, Massachusetts

Citizenship United States

World Billionaires List United States Billionaires Health IT

Profile Data

Personal Stats

Age 76

Source Of Wealth Health IT, Self Made

Self Made Score 8

Philanthropy Score 3

Residence Boston, Massachusetts

Citizenship United States

Marital Status Married

Education Bachelor of Arts/Science, Massachusetts Institute of Technology

Net Worth Change +$0.0B +0.0% from previous worth

Previous Net Worth $3.5B

Current Net Worth $3.5B

Worth as of May 4, 2026

About Me

Phillip Ragon, known as Terry, founded InterSystems, a software company that enables hospitals and banks to analyze big data, in 1978. Ragon retains full ownership of the company, which generates around $1 billion in annual sales. Ragon and his wife, Susan, joined the Giving Pledge in 2017. After a trip to South Africa in 2009 where Terry and Susan saw the ravages of AIDS, they established the Ragon Institute to pursue an HIV vaccine. The couple announced a $200 million gift to endow the Ragon Institute of Massachusetts General Hospital, MIT and Harvard in 2019.

Achievements

Forbes List Highlights

A snapshot of the list placements and rankings connected to Phillip T. (Terry) Ragon.

#1325

Billionaires (2026)

#352

Forbes 400 (2025)

Insights

Did You Know?

Ragon spent his high school senior year in Bogota, Colombia and has donated over half a million dollars since 2013 to a religious school there.

Ragon is the son of a U.S. Air Force fighter pilot.

Wealth Growth

Net Worth Growth Over Time

Tracking Phillip T. (Terry) Ragon's net worth journey over the years, highlighting key growth phases and financial milestones.

Worth Trend Net Worth Growth

Period Change Worth Movement

Current Net Worth: $3.5B (May 4, 2026)