Two credit chiefs have left Citadel Securities along with a high-raking equities executive, according to several reports.

Chris Boas, head of credit markets, and Carl Mayer, head of the leveraged finance investment banking group, have left the firm’s Citadel Securities group. Also departing is Brad Kurtzman, who headed equity derivatives sales and trading.

Mayer will be replaced by current leveraged finance executive John Kilgallon, according to Bloomberg.

A Citadel representative was not immediately available for comment.

Mayer joined Citadel in 2009 as a founding member of its leveraged finance group. Previously, he headed leveraged finance markets for Bank of America Merrill Lynch.

Meanwhile, Boas had been with Citadel since 2006. Prior to that he headed global structured credit trading at Morgan Stanley.

The departures come several months after the firm reportedly laid off about a dozen sales and trading staff.

Chicago-based Citadel is comprised of Citadel Asset Management, Citadel Securities and infrastructure and administration services provider Omnium.

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