Goldman Sachs Group Inc. has appointed three executives to the newly created roles of co-COOs of equities. In their new positions, Paul Russo, Michael Daffey and Marty Chavez will be responsible for supervising the firm's global equities businesses and its strategic initiatives. Goldman Sachs also named Enrico Gaglioti its global head of equities sales and John Willian its global head of securities services futures and clearing. Ashok Varadhan will become the global head of macro trading, including interest rate products, foreign exchange and emerging markets, while Justin Gmelich will be the new global head of credit trading.