Dentsu announced a series of C-suite appointments Tuesday that it said would “accelerate” the transition to the “One Dentsu” operating model that it has been working to put in place since the beginning of 2023.   

The moves follow another quarter of disappointing financial results for the company, which also reported on Tuesday a third-quarter organic revenue decline of 6% and a further downgrade of its full-year outlook to an organic decline of 5%. 

With the latest executive shakeup, Takeshi Sano becomes CEO, dentsu Japan, replacing Norihiro Kuretani who is leaving the company at year end.   

Yoshiki Ishihara has been appointed global chief strategy officer & chief of staff. Current CSO Soichi Takahashi is leaving the firm.  

Yuichi Toyoda has been named global practice president – business transformation, Dentsu and Jeff Greenspoon becomes global practice president – integrated solutions, Dentsu. Those posts are new.   

Chief information officer Dominic Shine, and chief operating officer Nnenna Ilomechina are also departing the company at year-end.    

"The enhanced global management structure unveiled today to support our new One dentsu Operating Model will accelerate Dentsu’s growth as a people-centered transformation company,” said Hiroshi Igarashi, president & CEO, Dentsu.