Ernst & Young
Mark Weinberger has been named as Ernst & Young’s next global chairman and chief executive, succeeding Jim Turley, who will retire on 30 June after leading the firm since 2001. Weinberger currently sits on Ernst & Young’s highest governing body, the global executive, and runs the global tax practice. He previously served on the Americas executive and US operating committee, and was the assistant secretary of the US Treasury under President Bush.

Racecourse Media Group
Simon Ellen has been appointed as non-executive chairman of Racecourse Media Group, the umbrella organisation for the 30 racecourses that hold an interest in Racing UK, Turf TV and GBI Racing. Ellen, who joined the RMG Board in June 2010, is a former Rothschild and Warburg investment banker, and has since chaired a number of private equity-owned investors.

Thames River
The asset manager has hired Brett Golledge as part of a restructuring of its global credit team. Golledge joins from UBS, where he was head of credit trading until November 2011.

Orosur Mining
Mario Caron has stepped down as chairman of Orosur Mining to dedicate more time to his new role as chief executive of Aldridge Minerals, but will remain as a non-executive director. Ralph Browning, who has been a non-executive director of Orosur Mining since December 2010, becomes executive chairman.

United First Partners
The independent boutique brokerage and advisory firm has expanded its London equity sales team by hiring Jon Samson and Neil Mckay, who join from Standard Chartered Bank and Arrowgrass Capital respectively.

AMR International
The strategy consultancy has announced that Jim Easton has been promoted from chief operating officer to chief executive. Current CEO Denzil Rankine becomes executive chairman and relocates to New York.

Gide Loyrette Nouel
Dimitrios Logizidis has been promoted to partner in the law firm’s London office. Logizidis joined Gide in 2007, and specialises in structured finance.

Lombard Medical Technologies
Ian Ardill, formerly finance director at Biocompatibles International, has been appointed as chief financial officer, effective from 23 January.

Distinction Asset Management
Distinction has appointed David Butler as sales director. Butler was most recently regional account manager for London at Cofunds.