Dubai, United Arab Emirates, Jul 08, 2012 - Ian Johnston, chief executive of the Dubai Financial Services Authority, DFSA, pose for a portrait at his office at DIFC.  ( Jaime Puebla / The National Newspaper )
Ian Johnston, who served as DFSA chief executive from 2012 to 2018, will reprise his role from September 1. Jaime Puebla / The National

DFSA appoints Ian Johnston as chief executive