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Tom Sosnoff
American businessperson and financial options trader (b. 1957)
Tom Sosnoff
Tom Sosnoff (born March 6, 1957) is an American entrepreneur, options trader and media personality who has helped popularise options and futures trading among retail investors. Sosnoff is a former floor trader on the Chicago Board Options Exchange (CBOE). He co‑founded the online brokerage thinkorswim in 1999 and sold it to TD Ameritrade for about US$606 million in 2009; reports suggest he personally received roughly US$84 million from the sale. Sosnoff later co‑founded the trading network and brokerage tastytrade—later branded tastylive and tastytrade. In 2021 his company was acquired by IG Group for roughly US$1 billion. He has subsequently launched several ventures, including the dough trading platform, the Small Exchange futures market, the print magazine Luckbox and, in 2025, an AI‑driven salary‑valuation platform called Lossdog.
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