Dentsu International Hires Nnenna Ilomechina as New COO

The former Accenture Strategy managing director takes over for the retiring Neil Gissler

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Dentsu International has hired Nnenna Ilomechina as its new global chief operating officer. She will join the company in May, taking over for the retiring Neil Gissler.

Ilomechina comes to dentsu from Accenture Strategy, where she has been managing director and partner, head of communications, media and high tech (CMT) strategy practice for the U.K. and Ireland since 2016.

Dentsu is tasking Ilomechina with driving and supporting profitable growth for the business globally. The internal role will also find her accelerating dentsu’s ongoing digital and organizational transformation efforts, according to the company.



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