Billionaire Profile
P
Global Rank
#1256

Image: Committee on Commerce, Science, and Transportation | Public domain | via Wikimedia Commons

Phillip T. (Terry) Ragon

CEO, Health IT
UNITED STATES
Real-Time Net Worth
$3.408B
Estimated based on Health IT stock value as of April 21, 2026
0% (24h)
Age
76
Source
Health IT
Industry
Technology
Citizenship
UNITED STATES

Biography

Phillip Terrence "Terry" Ragon is an American entrepreneur and philanthropist, best known for founding and leading InterSystems Corporation. Born in 1949, Ragon earned a B.S. in physics from MIT in 1971. He founded InterSystems in 1978, a global software company specializing in data management and healthcare applications. As of 2024, his net worth is estimated at $3.2 billion. Ragon is also recognized for his significant philanthropic contributions, particularly in medical research through the Ragon Institute, which he co-founded. He is married to Susan Ragon, and they are committed to giving a majority of their wealth to charitable causes, signing The Giving Pledge in 2017.

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Live Data
Updated 4/21/2026

Wealth Over Time

In-Depth Profile

Early Life and Education

Phillip Terrence "Terry" Ragon was born in Arizona in 1949. Due to his father's career as a U.S. Air Force fighter pilot, Ragon's childhood involved frequent moves across the United States. He spent his senior year of high school in Bogotá, Colombia. He earned a Bachelor of Science degree in physics from the Massachusetts Institute of Technology (MIT) in 1971.

Rise to Success

In 1978, Ragon founded InterSystems Corporation in Cambridge, Massachusetts. Initially, InterSystems focused on database technology. Over time, it expanded into healthcare interoperability solutions, enabling hospitals and other organizations to analyze and integrate large-scale data. Under Ragon's leadership as CEO and owner, the privately held company has become a global leader in the technology industry and generates approximately $1 billion in annual sales.

Key Business Strategies

Ragon's strategy focused on providing data management solutions. InterSystems developed its software solutions utilized across various industries, including healthcare, finance, and logistics. InterSystems' software is used in over 80 countries worldwide.

Philanthropy

In 2009, Ragon and his wife, Susan, co-founded the Ragon Institute of Massachusetts General Hospital (MGH), MIT, and Harvard. In 2019, the Ragons endowed the institute with $200 million. The institute focuses on harnessing the human immune system to develop vaccines and cures for infectious diseases, particularly HIV. In March 2017, the Ragons signed The Giving Pledge, committing to donate at least half of their wealth to philanthropic causes.

Career Milestones

1978

Founded InterSystems Corporation

Established InterSystems in Cambridge, Massachusetts, focusing on database technology and healthcare solutions.

2009

Co-founded the Ragon Institute

Co-founded the Ragon Institute of MGH, MIT, and Harvard, dedicated to researching vaccines and cures for infectious diseases.

2017

Signed The Giving Pledge

Committed to donating at least half of their wealth to philanthropic causes.

2022

Golden Plate Award

Received the Golden Plate Award from the American Academy of Achievement.

Philanthropy & Social Impact

Medical Research

Ragon Institute

$400M

Founded the Ragon Institute of Massachusetts General Hospital (MGH), MIT, and Harvard, with a focus on HIV/AIDS research.

Philanthropy

Giving Pledge

Undisclosed

Committed to donating at least half of his wealth to philanthropic causes.

Education

Educational Initiatives

Over $50M

Support for education and research at MIT.

Business Philosophy & Leadership

Notable Quotes

"“If you want to change the world for the better, research is the fulcrum.”"

"To change the world, you need to find the right fulcrum and the right place to put it."

Leadership Principles

Innovation

Focus on developing innovative data management solutions.

Philanthropy

Dedication to giving back to the community and supporting medical research.