Iqbal joined this week from Nottinghamshire Police, where he was media and PR manager, and replaces Leigh McGowan.
McGowan left in July to join Lothian NHS board as communications director.
In the interim, PR for the hospital was handled by Nottinghamshire NHS communications team, which also handles PR for the area's Primary Care Trusts.
Iqbal reports to the university hospital NHS trust chief executive John Macdonald.
Queens attracted national media attention earlier this year when it paid a reportedly 'substantial' compensation claim to the family of teenage leukaemia sufferer Wayne Jowett, who died at the hospital.
The 18-year-old apprentice mechanic was wrongly injected with an anti-cancer drug into his spine, rather than a vein.