WILLIAM B. AIMETTI was named President and Chief Operating Officer of DTCC in 2007. He also serves as Chief Operating Officer of DTCC subsidiaries, NSCC and DTC.

Aimetti joined DTCC in July 2000 as a Managing Director and Chief Administrative Officer and was named Managing Director and Chief Information Officer in April 2003.

Prior to joining DTCC, Aimetti was associated with Nomura Holdings America, Inc./Nomura Securities International, Inc., where he was Executive Managing Director – Operations, Technology and Corporate Services, reporting to the CEO. He also served as President and Chief Executive Officer of Nomura International Trust Company. He joined Nomura in 1994.

Previously, Aimetti was a Division Executive for Citibank, where he was responsible for all operations and technology for North American Global Finance. He has also served as Chief Operating Officer of Wall Street Clearing Corporation and as the Group Head for the Securities Services Group at Chase Manhattan Bank. In addition, Aimetti has chaired the Securities Operations Division of the SIA (now SIFMA), and served on the board of CEDEL (now Clearstream).

Aimetti holds a B.A. from Seton Hall University and a master’s degree from Columbia University Graduate School of Business.