US advisory firm Greenhill & Co has promoted the co-head of its European business, who was part of the Baring Brothers team that joined 17 years ago to set up its London office, to co-president globally in one of several appointments aimed at deepening its senior management ranks and fuelling growth.

Greenhill revealed in its second-quarter results statement on Thursday that David Wyles, who joined in 1998 from Barings and was most recently co-head of its European advisory business with Luca Ferrari, has become co-president of the firm globally, as has Kevin Costantino, previously co-head of Greenhill's Australian business.