Mr. Winkler was responsible for managing all non-trading related details of the firm. He joined Amaranth in July 2001. Prior to this, from 1996-2001, he had been a Senior Managing Directorand COO for CitadelInvestment Group, another hedge fund.
Prior to Citadel, he was a parter with the Chicago law firm of Neal Gerber & Eisenberg. He spent 17 years at the law firm focusing on tax and corporate counseling to investment advisors and private investment firms. He graduated from Emory in 1976 with a Bachelors degree in Business Administration in Accounting and received his law degree from Northwestern University School of Law in 1979.