"Our industry is undergoing extraordinary change, driven by technology and regulation," the memo said, which was signed by securities division co-heads Isabelle Ealet, Pablo Salame and Ashok Varadhan. Fixed income trading, in particular, has been particularly affected by these changes, the memo said.

Goldman's revenue from bond trading fell 13 percent to $7.3 billion in 2015. Denis Coleman will become head of Goldman's financing group in EMEA, the firm said in a separate memo. He had served as the head of EMEA credit finance. Michael Marsh will become head of EMEA leveraged finance, according to a separate memo. Marsh has served as head of EMEA high yield and leveraged loan capital markets.

(Reporting by Olivia Oran in New York; Editing by Paul Simao and Cynthia Osterman)

By Olivia Oran