LeaderPortfolio
Dangermond
Jack Dangermond
Rank #188
UNITED STATESTechnologyMapping software

Jack Dangermond

Net Worth
$15.583B
0% (24h)
Jack Dangermond is an 80-year-old American billionaire and environmental scientist, best known as the co-founder and president of Esri (Environmental Systems Research Institute), a leading geographic information system (GIS) software company. His estimated net worth is $14.3 billion, stemming from his pioneering work in mapping software and spatial analysis. Dangermond's career has been dedicated to leveraging GIS technology for environmental stewardship and sustainable development. His achievements include the development of Esri's ArcGIS software, which has become the industry standard for GIS, and significant philanthropic contributions to conservation efforts.

How to read Jack Dangermond's profile

Public net-worth figures are estimates. They combine observable inputs—typically listed equity, disclosed transactions, and market prices—with editorial judgment where filings are incomplete (for example, private holdings, debt, or cross-holdings). For Jack Dangermond, we anchor the narrative to Mapping software and Mapping software, then update the headline number as markets move. The chart on this page is meant to show trajectory, not a certified balance sheet.

When you see $15.583B alongside global rank #188, interpret it as our best synthesis of widely cited ownership and price signals—not a claim about cash on hand. Estimates can diverge from other publishers because of different treatment of options, trusts, charitable vehicles, or illiquid assets. We document the general approach in methodology and welcome corrections via corrections.

Country (UNITED STATES) and career milestones on this page are curated for reader context; they should be verified against primary sources when used for research. Editorial metadata for this profile is refreshed on a rolling basis, with deeper audits at least annually (last noted cycle: 2026).

Looking for depth? When available, the dossier and timeline sections below add long-form context beyond the headline number—prioritize those modules when evaluating claims about strategy, controversies, or philanthropic commitments.

The Full Dossier

Early Life and Education

Born Paul Jacob Dangermond on July 23, 1945, in Loma Linda, California, Jack Dangermond grew up in Redlands, California. His parents, Dutch immigrants, owned a plant nursery, instilling in him an early appreciation for the environment and an entrepreneurial spirit. He graduated from Redlands High School in 1963 and pursued higher education in landscape architecture and urban planning. He earned a Bachelor of Science degree in landscape architecture from California State Polytechnic University, Pomona, a Master of Urban Planning from the University of Minnesota, and a Master of Landscape Architecture from Harvard University in 1969.

Rise to Success

Dangermond's career took off in 1969 when he co-founded Esri with his wife, Laura. The company started with a modest investment of $1,100. Esri initially focused on land-use analysis but soon transitioned to developing GIS software, a nascent field at the time. Under Dangermond's leadership, Esri introduced ARC/INFO in the early 1980s, one of the first GIS software systems that allowed users to create, analyze, and visualize geographic data. This pioneering work positioned Esri as a leader in the GIS industry, with its flagship product, ArcGIS, tracing its origins to Dangermond's initial efforts.

Key Business Strategies

Esri's success is rooted in Dangermond's vision of using geographic analysis and computer mapping to design a better future. The company has focused on long-term innovation and sustainability, investing heavily in research and development. Esri has maintained its position by not taking on outside investors, which allowed them to prioritize their mission over short-term financial gains. A key strategy has been providing accessible GIS technology to various organizations to improve decision-making across industries.

Philanthropy

Dangermond is known for his dedication to environmental conservation and philanthropy. He and his wife have made significant donations to various organizations and causes, including establishing the Jack and Laura Dangermond Preserve on the Pacific coast. They have also signed The Giving Pledge, committing to donate the majority of their wealth to charitable causes. In 2017, they made a gift of $165 million to The Nature Conservancy for the purchase of the Bixby Ranch, the largest single charitable donation ever received by the organization.

Career Timeline

2017

Donated $165 Million to The Nature Conservancy

Made the largest donation ever to The Nature Conservancy, creating the Jack and Laura Dangermond Preserve.

1980s

Launched ARC/INFO

Introduced one of the first GIS software systems, establishing Esri as a leader in the industry.

1969

Co-founded Esri

Founded Environmental Systems Research Institute (Esri) with his wife Laura, launching their vision of using computer mapping and spatial analysis to address geographic problem-solving.

Philanthropic Impact

Land Conservation$165M

Jack and Laura Dangermond Preserve

Donation to The Nature Conservancy for the purchase of the Bixby Ranch to ensure conservation.

EducationUnknown

American Association of Geographers Marble Fund for Geographic Science

Helped establish the fund to advance GIScience education by providing awards to student research.

Disaster Relief$60M

ESRI Donations during COVID-19

Donated software, services, and hardware to aid US government agencies, furloughed workers, and educators.

Key Business Ventures & Holdings

CompanyStakeValue
Esri100.00%$14.3M

Net Worth History

In-Depth Analysis

Early Life and Education

Born Paul Jacob Dangermond on July 23, 1945, in Loma Linda, California, Jack Dangermond grew up in Redlands, California. His parents, Dutch immigrants, owned a plant nursery, instilling in him an early appreciation for the environment and an entrepreneurial spirit. He graduated from Redlands High School in 1963 and pursued higher education in landscape architecture and urban planning. He earned a Bachelor of Science degree in landscape architecture from California State Polytechnic University, Pomona, a Master of Urban Planning from the University of Minnesota, and a Master of Landscape Architecture from Harvard University in 1969.

Rise to Success

Dangermond's career took off in 1969 when he co-founded Esri with his wife, Laura. The company started with a modest investment of $1,100. Esri initially focused on land-use analysis but soon transitioned to developing GIS software, a nascent field at the time. Under Dangermond's leadership, Esri introduced ARC/INFO in the early 1980s, one of the first GIS software systems that allowed users to create, analyze, and visualize geographic data. This pioneering work positioned Esri as a leader in the GIS industry, with its flagship product, ArcGIS, tracing its origins to Dangermond's initial efforts.

Key Business Strategies

Esri's success is rooted in Dangermond's vision of using geographic analysis and computer mapping to design a better future. The company has focused on long-term innovation and sustainability, investing heavily in research and development. Esri has maintained its position by not taking on outside investors, which allowed them to prioritize their mission over short-term financial gains. A key strategy has been providing accessible GIS technology to various organizations to improve decision-making across industries.

Philanthropy

Dangermond is known for his dedication to environmental conservation and philanthropy. He and his wife have made significant donations to various organizations and causes, including establishing the Jack and Laura Dangermond Preserve on the Pacific coast. They have also signed The Giving Pledge, committing to donate the majority of their wealth to charitable causes. In 2017, they made a gift of $165 million to The Nature Conservancy for the purchase of the Bixby Ranch, the largest single charitable donation ever received by the organization.

Data Sources & Methodology

Figures for Jack Dangermond are synthesized from the sources below and cross-checked against our net worth methodology. Estimates may lag market moves; see corrections to report discrepancies.