Ben Curson takes charge of the 20-strong department on 24 September, reporting to CEO Sally Costerton.
He is charged with bringing more business into the department, whose clients include HSBC, Western Union and Family Investments.
Curson was previously a partner at Penrose.
The corporate business and financial services department sits within corporate communications. Vicki Newbold and Jim Donaldson are the corporate comms MDs.