Dentsu International has appointed Nnenna Ilomechina as Global Chief Operating Officer effective in May. She will succeeds Neil Gissler who is retiring.
In the role Ilomechina will oversee all activities relating to business transformation and “operational excellence.”
Dentsu said the incoming COO would work closely with Global CEO Wendy Clark and the Dentsu International leadership team to integrate capabilities in media, CXM and creative.
The 20-year-plus industry veteran joins from Accenture Strategy where she has been Managing Director & Partner, Head of Communications, Media & High Tech Strategy Practice for UK & Ireland, since 2016.
She has also served in leadership roles at Alix Partners and Sapient (now Publicis Sapient).