Hedge Funds

Citadel powers up market-making muscle 


Citadel Investment Group has announced that Matt Andresen has joined the executive team responsible for managing Citadel's market-making businesses out of the firm's headquarters in Chicago.

Andresen is the former CEO of electronic trading network Island ECN, which merged with Instinet in 2002. Andresen left Instinet in 2002 to join Sanford C. Bernstein and Co. as head of global trading.

Citadel Derivatives Group, a Citadel affiliate, is among the leading market-makers in listed options in the U.S.