Daniel Vincent Tierney

GETCO Europe Ltd. provides electronic liquidity services. It is a member of several European Regulated Markets and Multilateral Trading Facilities The company was founded in 2003 and is headquartered in London, GB.

Getco Holding Co. LLC provides electronic trading and technology services. It operates as a trading stamp promotion and redemption. The company was founded by Daniel V. Tierney and is headquartered in Chicago, IL.

Virtu GETCO LLC provides electronic trading and technology services. It provides electronic market-making and liquidity provision, involves both buying and selling securities to provide two-sided markets on exchanges. The company was founded by Stephen Schuler and Daniel Vincent Tierney in 1999 and is headquartered in Chicago, IL.

Virtu KCG Holdings LLC operates as an independent securities company, which offers services designed to address trading needs across asset classes, product types and time zones. It operates through the following segments: Market Making, Global Execution Services and Corporate and other. The company was founded on December 26, 2012 and is headquartered in New York, NY.

Wicklow Capital Inc (Wicklow Capital) is a venture capital firm founded in 2004 by Daniel Tierney and Stephen Schuler. The firm is headquartered in Chicago, Illinois.