Brennan J. Warble

Liquidnet Holdings, Inc. engages in the provision of electronic brokerage services. It offers Liquident technology, Liquident labs, and information security. The company was founded by Seth I. Merrin and Eric Jean LeGoff in 1999 and is headquartered in New York, NY.

Citadel Advisors LLC is a SEC-registered investment advisor and hedge fund manager headquartered in Miami, Florida. The firm was founded in 1990 by Kenneth Griffin and is wholly-owned by Citadel Advisors Holdings LP, ultimately held by GFH HFEVA LLC. Citadel Advisors manages private investment funds that are offered exclusively to sophisticated investors.

Citadel Securities LLC is a registered market maker headquartered in Chicago, Illinois. The firm was founded by Kenneth Griffin in 2001 and is a subsidiary of GFH HFEVA LLC. Citadel Securities provides execution services to meet the liquidity needs of asset managers, banks, broker-dealers, hedge funds, government agencies, and public pension programs. They offer services across a broad array of fixed income and equity products.