The following are job changes within the financial industry for September 23, linked where possible to profiles on LinkedIn. To inform us of other job changes, please e-mail moves@thomsonreuters.com.

UBS
The Swiss bank has hired former Bear Stearns executive Jeffrey Mayer as joint head of the fixed income, currencies and commodities business. Mayer will be based in New York and Stamford.

ORRICK, HERRINGTON & SUTCLIFFE
The law firm has hired Elisabeth Gaunt from Denton Wilde Sapte as a partner in its global finance practice in London.

GCA SAVVIAN GROUP
The Tokyo-based mergers and acquisition advisory firm hired Hirofumi Imaji as a partner at Mezzanine Corp, its LBO financing unit, effective Oct. 1. He was previously with Citigroup Inc .

NAVIGATORS GROUP INC
The insurance holding company hired Paul Hennessy as president of Navigators Holdings (UK) Ltd.

UCBH HOLDINGS INC
The bank holding company appointed Qingyuan Wan as a new member of the board. Wan served as director of the board office of China Minsheng Banking Corp Ltd since October 2007.

AMHERST SECURITIES GROUP
The privately held broker-dealer that specializes in residential mortgage-backed securities has hired six sales and trading staffers. The six all join from different firms, including Merrill Lynch & Co Inc, JPMorgan Chase & Co and Countrywide Capital Markets.

CREDIT AGRICOLE ASSET MANAGEMENT
The asset management arm of Credit Agricole Group promoted Patrick de Fraguier to Head of Strategy, effective October 1.

GRANT THORNTON
The business and financial adviser appointed Sean Croston as its head of health care, effective immediately.

(Compiled by Amiteshwar Singh in Bangalore and Elinor Comlay in New York; Editing by Maureen Bavdek, Leslie Gevirtz)