Christopher Zaback was named CFO and managing director by quantitative manager D.E. Shaw & Co. He will oversee accounting, tax and financial operations at the firm.
Mr. Zaback assumed the title and duties from Stuart Steckler, managing director and a member of D.E. Shaws executive committee, to whom he will report. Mr. Steckler will retain overall responsibility for the firms operations, according to a news release.
Mr. Zaback was co-COO of hedge fund manager Sandelman Partners. Executives at Sandelman Partners did not return calls seeking information on his replacement.