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. 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.