Phillip T. (Terry) Ragon (#1262)
- $ 3 B
- Health IT
- United States
- M
- 76 Years
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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
Career Highlights
A snapshot of the defining milestones, leadership decisions, and breakthroughs that shaped Phillip T. (Terry) Ragon’s rise and global influence.
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.
Current Net Worth: $3.4B
(May 4, 2026)
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