The news was relayed to employees Monday morning by GroupM Global CEO Christian Juhl.
(Read his internal memo below.)
McDonald spent three years in the top post, perhaps the most turbulent stretch in the modern history ofadvertising.
He also worked at AT&T and its ad-tech unit, Xandr.
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Leading GroupM North America has been an enormous privilege.
You are passionate and uncompromising in your pursuit of excellence, McDonald said to staffers.
Id like to thank Kirk for his many contributions to our company.
He has also been a valuable partner to me and the global GroupM leadership community more broadly.
I hope that you will join me in thanking Kirk and wishing him the best for the future.
Thank you for your hard work and dedication to our clients throughout the year.
