Goldman Sachs portfolio manager and executive Donald J. Mulvihill Jr. died on July 19 at age 56 in the Chicago area.

After more than 32 years with Goldman, Mulvihill retired in June. His most recent position was the co-chief investment officer of the Quantitative Investment Strategies group within Goldman's Investment Management Division. Since 2010 he was responsible for the Customized Beta Strategies group, which relaxes or eliminates market-cap-weighting schemes and instead attempts to engineer portfolios to specific client requirements, including altering risk, yield, taxation, industry focus and other parameters. Mulvihill joined the Quantitative Group in 1999.

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