Kentz Corporation
The holding company of the Kentz engineering and construction group has appointed Christian Brown as group chief operating officer. Brown, who had a 17-year career with Kellogg Brown and Root before joining Foster Wheeler in 2009, will initially be based in the London office before transferring to Houston in June 2012. Paul Lewis, most recently president of global sales at Fluor, has also joined the firm as group development officer.

Nomura Code
John Johnston has been appointed as head of sales EMEA to lead the expanded sales team, one of the largest small cap sales desks in London. Johnston joins the Japanese bank from Seymour Pierce, where he was most recently head of institutional sales.

Jakob Groot has been appointed as global head of institutional distribution for the bank’s rates, FX and credit division, based in London and Munich. Groot previously worked at RBS, where he was global head of local sales and head of CEEMEA regional sales.

Hambledon Mining
The Kazakhstan-focused gold miner has appointed Jeffrey O’Leary as a non-executive director. Until 2009, O’Leary was a non-executive director of Moto Goldmines; most recently, he has been developing gold projects.