Philips, who stepped down from his role with Chanel last year, takes on the new role effective immediately. He replaces Pat McGrath.
Philips is renowned for his work with runway make-up for Chanel during his five years there.
Dior announced the appointment on Twitter.
“Dior is delighted to announce the appointment of Mr. Peter Philips as Creative and Image Director of #Dior #MakeUp,” the company tweeted.