According to lawyers involved in the matter, many former Enron traders who did join UBS are being called to testify in continuing federal investigations of the energy markets.

As he had when joining UBS, Moelis took a large team of senior UBS investment bankers.

She then joined UBS and became an expert on the energy sector in Asia.

He later joined UBS as Chief of Staff to the Americas COO.

Prior to joining UBS, he was a director or research and head of the Europe Practice at Eurasia Group, the global political risk consultancy.

Before joining UBS, Grübel was at Credit Suisse from 1985 until 2007, leading the firm since 2003.

Mr. Belden, who had joined UBS after the acquisition, recently resigned from the company.

Thomas C. Mazzucco has joined UBS as a managing director and global head of Internet investment banking, from Lehman Brothers.

He is the second senior official to join UBS from CS First Boston in two days.

He joined UBS in 2002 immediately after retiring from the Senate.