Alliance Bernstein UK CEO to exit at the end of February Jamie Hammond leaves ‘to pursue new opportunities’ after five years with the firm Alliance Bernstein UK chief executive and head of EMEA client group Jamie Hammond is leaving the firm at the end of the month, Portfolio Adviser has learned. Hammond (pictured) will depart at the end of February after five years “to pursue new opportunities”. AB chief administrative officer (UK) Ian Foster has been named acting CEO of AB (UK) and Onur Erzan, head of global client group, will oversee EMEA distribution while a permanent replacement for Hammond is found.