Who gained/lost since 2025/01 (top 1000 richest)
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# | Worth ($M) | 2025-01-08 | Gain since ($M) | Name | Age | Source | Industries | Citizenship | Gender |
|---|---|---|---|---|---|---|---|---|---|---|
| 170 | 17,138 | 9,837 | 7,301 | Jack Dangermond Graph only | 79 | Mapping software | Technology | United States | M |
Wikipedia
Paul Jacob Dangermond bka Jack Dangermond is an American billionaire businessman and environmental scientist. He is the co-founder and president of the Environmental Systems Research Institute (Esri), a privately held geographic information systems (GIS) software company that he started with his wife Laura in 1969. As of April 2026, his net worth was estimated at US$13.4 billion.
Jack Dangermond — Wikipedia