{"id":"thomas-peterffy","type":"person","url":"https://diginpl.com/people/thomas-peterffy","language":"en","name":"Thomas Peterffy","name_en":"Thomas Peterffy","name_ne":null,"description":"American businessman","headline":"American businessman","also_known_as":[],"summary":"Thomas Peterffy (born September 30, 1944) is a Hungarian-born American billionaire businessman. He is the founder, chairman and the largest shareholder of Interactive Brokers. As of November 2025, his estimated net worth is US$109 billion, making him the 18th richest person in the world.","summary_more":["Peterffy worked as an architectural draftsman after emigrating to the United States, and later became a computer programmer. In 1977, he purchased a seat on the American Stock Exchange and played a role in developing the first electronic trading platform for securities.","Peterffy is a donor to the Republican Party and conservative causes."],"facts":[{"key":"born","label":"Born","values":[{"text":"30 September 1944","date":"1944-09-30"}],"source":{"label":"Wikidata","url":"https://www.wikidata.org/wiki/Q7793127#P569"}},{"key":"birthplace","label":"Place of birth","values":[{"text":"Budapest","wikidata":"https://www.wikidata.org/wiki/Q1781"}],"source":{"label":"Wikidata","url":"https://www.wikidata.org/wiki/Q7793127#P19"}},{"key":"citizenship","label":"Citizenship","values":[{"text":"United States","wikidata":"https://www.wikidata.org/wiki/Q30"}],"source":{"label":"Wikidata","url":"https://www.wikidata.org/wiki/Q7793127#P27"}},{"key":"occupation","label":"Occupation","values":[{"text":"businessperson","wikidata":"https://www.wikidata.org/wiki/Q43845"}],"source":{"label":"Wikidata","url":"https://www.wikidata.org/wiki/Q7793127#P106"}}],"office":null,"sections":[],"cited":[],"cited_from":null,"videos":[],"last_reviewed":null,"organizations":[],"same_as":["https://en.wikipedia.org/wiki/Thomas_Peterffy","https://www.wikidata.org/wiki/Q7793127"],"faq":[{"q":"When was Thomas Peterffy born?","a":"Thomas Peterffy was born on 30 September 1944 in Budapest."}],"related":[{"name":"Abigail Johnson","url":"https://diginpl.com/people/abigail-johnson"},{"name":"Alex Karp","url":"https://diginpl.com/people/alex-karp"},{"name":"Alice Walton","url":"https://diginpl.com/people/alice-walton"},{"name":"Arte Moreno","url":"https://diginpl.com/people/arte-moreno"},{"name":"Arthur Blank","url":"https://diginpl.com/people/arthur-blank"},{"name":"Baiju Bhatt","url":"https://diginpl.com/people/baiju-bhatt"},{"name":"Barry Diller","url":"https://diginpl.com/people/barry-diller"},{"name":"Ben Chestnut","url":"https://diginpl.com/people/ben-chestnut"},{"name":"Bill Ackman","url":"https://diginpl.com/people/bill-ackman"},{"name":"Bill Gates","url":"https://diginpl.com/people/bill-gates"},{"name":"Bob Parsons","url":"https://diginpl.com/people/bob-parsons"},{"name":"Bobby Murphy","url":"https://diginpl.com/people/bobby-murphy"}],"places_in":[],"nearby":[],"image":{"url":"https://diginpl.com/kb-img/thomas-peterffy-6b200d072a.jpg","width":500,"height":766,"license":"Public domain","credit":"danor shtruzman","page":"https://commons.wikimedia.org/wiki/File:Thomas_Peterffy_Painting_Portrait_By_Artist_Danor_Shtruzman_-_Art_Drawings_(100_Richest_By_Forbes_2017_List).jpg"},"sources":[{"label":"Wikipedia (English): Thomas Peterffy","url":"https://en.wikipedia.org/wiki/Thomas_Peterffy","license":"https://creativecommons.org/licenses/by-sa/4.0/"},{"label":"Wikidata item Q7793127","url":"https://www.wikidata.org/wiki/Q7793127","license":"https://creativecommons.org/publicdomain/zero/1.0/"},{"label":"Image: Thomas Peterffy Painting Portrait By Artist Danor Shtruzman - Art Drawings (100 Richest By Forbes 2017 List).jpg by danor shtruzman (Public domain)","url":"https://commons.wikimedia.org/wiki/File:Thomas_Peterffy_Painting_Portrait_By_Artist_Danor_Shtruzman_-_Art_Drawings_(100_Richest_By_Forbes_2017_List).jpg","license":null}],"license":{"text":"CC BY-SA 4.0","url":"https://creativecommons.org/licenses/by-sa/4.0/","facts":"https://creativecommons.org/publicdomain/zero/1.0/"},"attribution":"Text from the Wikipedia article Thomas Peterffy, licensed under CC BY-SA 4.0. This page's text is shared under the same licence. Facts from Wikidata (CC0). Image: Thomas Peterffy Painting Portrait By Artist Danor Shtruzman - Art Drawings (100 Richest By Forbes 2017 List).jpg — danor shtruzman, Public domain.","cite":"\"Thomas Peterffy\". DigiNepal. Last updated 31 October 2026. https://diginpl.com/people/thomas-peterffy. Retrieved 14 November 2026.","date_modified":"2026-10-31T11:28:20Z","facts_checked":"2026-11-13","alternates":{"html":"https://diginpl.com/people/thomas-peterffy","en":"https://diginpl.com/people/thomas-peterffy","ne":"https://diginpl.com/people/thomas-peterffy?lang=ne"}}