Mickey is a Manager Member of CSS, LLC, a proprietary trading firm and CBOE Member Firm, established in 1998. Prior to this, he was a managing director and business head of US Equities for SBC Capital Markets, Inc., the broker-dealer subsidiary of Swiss Bank Corporation. Previously, Mickey was a General Partner of O’Connor & Associates where his responsibilities included central risk management of equities and index trading. He joined O’ Connor & Associates in 1978 as a trader after graduating from Northern Illinois University. During his career at O’ Connor he also managed bond and equity options trading and was instrumental in developing the firm’s equity index operation.