Thomas A. Wittman

The NASDAQ Stock Market LLC provides securities listing, trading and information products and services. The company is headquartered in Rockville, MD.

NASDAQ OMX BX, Inc. provides securities exchange services. It offers electronic and floor-based trading solutions to financial firms, dealers, investment institutions and listed public companies. The firm’s products include automated price improvement; Boston Exchange automated communication and order-routing network, BEACON REMOTE and execution quality report. The company was founded in 1834 and is headquartered in Boston, MA.

Nasdaq ISE LLC operates equity and trading options exchange. It transformed the options industry by creating efficient markets through innovative market structure and technology. It provides investors with a transparent marketplace for price and liquidity discovery on centrally cleared options products. The company was founded by David Krell in May 2000 and is headquartered in New York, NY.

Part of Nasdaq, Inc., Nasdaq GEMX LLC operates as a securities exchange. The company is based in New York, NY. Thomas A. Wittman has been the CEO of the company since 2016.

International Securities Exchange Holdings, Inc. operates and regulates a registered national securities exchange. The company was founded in September 1997 and is headquartered in New York, NY.

Sporttrade, Inc. is the first regulated sports betting exchange in history. Led by an accomplished team from sports betting and capital markets backgrounds, the company is based in the Philadelphia area and has subsidiaries in the United States. Sporttrade's dynamic sports trading platform is set to launch later this year. The American company was founded by Alexander Kane, who has been the CEO since incorporation.

The Options Clearing Corp. provides equity derivatives clearing services. It provides central counterparty clearing and settlement services to stock exchanges and trading platforms for options, financial futures, security futures and securities lending transactions. The company was founded in 1973 and is headquartered in Chicago, IL.