Amirmokri had served as the managing director of Iran Airports Company.
Touraj Dehqani Zanganeh, the former head of CAO, was dismissed on Wednesday, IRNA reported.
No information was immediately available on the reason behind the dismissal.
EghtesadOnline: Minister of Roads and Urban Development Mohammad Eslami has appointed Siavash Amirmokri as the new caretaker of the Civil Aviation Organization of Iran.