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Digital assets and currencies

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Securities & exchanges

Arthur Dantchik

Arthur Dantchik (born 1957) is an American billionaire businessman and philanthropist who is a co-founder and the managing director of Susquehanna International Group, a Bala Cynwyd, Pennsylvania-based financial services firm founded in 1987. As of September 2026, Dantchik's net worth was estimated at $19.5 billion.

Banking

Engwall family

The Engwall family (Swedish pronunciation: [ɛːŋːvˈǎll] ) is a prominent Swedish family descended from Jonas Engwall, an inventor and engineer. The Engwalls are noted as merchants, industrialists, scholars, bankers, politicians, activists, bureaucrats, military officials, philanthropists, economists, and diplomats.

Securities & exchanges

Gary Cohn

Gary David Cohn (born August 27, 1960) is an American businessman and philanthropist who served as the 11th director of the National Economic Council and chief economic advisor to President Donald Trump from 2017 to 2018. He managed the administration's economic policy agenda. Before serving in the White House, Cohn was president and COO of Goldman Sachs, where he worked for more than 25

Securities & exchanges

George Soros

George Soros (born Schwartz György; August 12, 1930) is a Hungarian and American investor and philanthropist. As of September 2026, he had a net worth of US$8.6 billion. Soros has donated more than $32 billion to the Open Society Foundations. In 2020, Forbes called Soros the "most generous giver" in terms of percentage of net worth.

Banking

Museum of Banking History in Sumy Oblast and the History of Money

The Museum of Banking history in the Sumy oblast and the History of Ukrainian Money (Ukrainian: Музей розвитку банківської справи на Сумщині та історії грошей) located at the State higher educational institution "Ukrainian Academy of Banking of the National Bank of Ukraine" in Sumy. Its address is Petropavlivska Str., 57, room number 304.

Finance

Pierre Omidyar

Pierre Morad Omidyar (born Parviz Morad Omidyar, June 21, 1967) is a French-born Iranian-American billionaire. A technology entrepreneur, software engineer, and philanthropist, he is the founder of eBay, where he served as chairman from 1998 to 2015. Omidyar is the grandson of the Imperial Iranian Army General Mahmud Mir-Djalali, who was instrumental in the 1921 rise of the Pahlavi Dyna

Securities & exchanges

Warren Buffett

Warren Edward Buffett ( BUFF-it; born August 30, 1930) is an American investor and philanthropist who is the chairman emeritus and former CEO of the conglomerate Berkshire Hathaway. As a result of his success, Buffett is one of the best-known investors in the world. According to Forbes, as of January 2026, Buffett's estimated net worth stood at US$148.9 billion, making him the ninth-rich