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Jack Vensel is responsible for developing and managing sell-side sales and consolidated marketing efforts for ATD's operations. Mr. Vensel was previously an Executive Vice President at Island ECN, the former electronic marketplace now known as NASDAQ's INET. At Island, Mr. Vensel established both domestic and international sales efforts that propelled the firm to one of the top ECNs in the market. Prior to joining Island, Mr. Vensel was a Vice President with Instinet, where he led sales and marketing efforts of all soft dollar products to institutional clients. Mr. Vensel held previous positions with Fidelity Investments and Arthur Andersen. Mr. Vensel earned an undergraduate degree at Boston College and an MBA from Harvard Business School | 