Mok departed, after an eight-year stint at Grey, to join CSL as chief marketing officer.
With Chan's background of client management with Ho's experience in creative work, the two will serve as a "synergised combo to lead Grey Hong Kong to new heights", according to TH Peng, the Chairman and CEO of Grey Group Greater China. Both have proven their value to Grey "over and over again", he added.
The two jointly take up responsibility to manage Grey’s Hong Kong operations, servicing key accounts such as Wellcome and UA Finance, as well as developing new business.
Chan was formerly the general manager of Grey Hong Kong and Ho was the executive creative director. As dual managing partners of the Hong Kong office, both will report to Peng.
The veterans joined Grey during 2006 and 2007. Together they have won numerous awards including a recent silver award at the HK Effies 2013.