Guy Gentile (born July 3, 1976) is an American business executive, entrepreneur, and high-frequency trading expert.

[3] Its success prompted a major expansion[4] to meet scaling demands, and the firm set out to increase staff by two hundred percent during March 2012.

[10] According to the 2016 indictment prosecuted by U.S. Attorney Paul J. Fishman, Gentile defrauded investors in the pump and dump scheme out of $17.2 million.

[11] The SEC sued Gentile and sure trader in March 2021 for alleging soliciting U.S. clients from a brokerage in the Bahamas which let American customers bypass pattern day trading restrictions.

[13] In 2019, Guy Gentile's company Mintbroker International Ltd., formerly Swiss America Securities, Ltd (dba SureTrader) voluntarily shut down after it lost its clearing agreement with IB.